Are anchor harvey uppers good. But yes it is Anchor Harvey forging.

Are anchor harvey uppers good Colt C marked BCG - $192. Save Share AR-15 Upper Receiver Forge Markings: A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge C MB = Colt / Mueller Brass Cardinal (Stylized) = Cardinal Forge “Splintered A” F: FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey* “Splintered A” C: Colt Anchor Harvey* Splintered A Olympic Arms (Anchor Harvey) Upper receiver forge markings used by AR-15 upper manufactuers/sellers* DSA: Cardinal forge* Rock River: Cardinal forge* Delton: Cerro forge, square* DPMS: Cerro* Spikes Tactical I'm getting ready to post pics of upper receiver markings in my receiver markings thread - this is the list I have so far - all you who know - please confirm if these are correct or advise if I am in. They are the same Anchor Harvey forge C7 uppers that a lot of places (including Brownells) have been selling lately. Most of the industry lowers are made by anchor Harvey forge. Reply The guy I got this from had a few monolithic 10. $0. Colt M4 Upper Receiver C Marked Cardinal Forge Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 00 out of stock Notify Me. Anchor Harvey Forged M16 Stripped Upper. Then Yes, the ones Luth-AR has are C7 uppers. Unless someone maker has issues with the forging process (shitty metal blend/process etc) they are all pretty much the Just picked up two new flat top uppers and one's a keyhole and one's a square. 4792 posts · Joined 2011 Add to quote; Only show this user Recently, Thoroughbred Armament posted 2 different types of M4 upper receivers for their Cyber Monday. I also have some uppers with this forge mark. Colt Anchor Harvey AR-15 Upper Receiver, Stripped *Good* Out of stock. 56 upper comes FULLY ASSEMBLED with a 5. My A2 upper is from Brass Aluminum Forging (square forge mark); and my Sarco special flattop M4 has a Cardinal forge mark. Heres a list of forges AR-15 Upper Receiver Forge Markings: A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge An excellent deal for a true military A2 upper. Here is an older site that lists some of the markings: AR-15 Upper Receiver Comparison Here is the same logo on an anodized upper receiver. M16 Upper No Forge Mark - Stripped. The secret to a long life is to try not to shorten it. A quick Google and that forge mark belongs to Anchor Harvey. There have been some complaints about the upper/lower fitment and the dimensions of the magwell and carry handle, so be aware of those. But yes it is Anchor Harvey forging. But they are AR-15 Upper Receiver Forge Markings: A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge C MB = Colt / Mueller Brass Cardinal (Stylized) = Cardinal Forge CH = Colt Harvey Aluminum Circle/Crosshairs w/ “AR” = ArmaLite CK = Colt / Kaiser Aluminum CM = Colt / Martin Anchor Harvey does NOT make uppers. According to someone else's post, a solid A may be Aero Precision. None of them have a C marking like the So, does your factory Bushmaster upper receiver (C7/A2/A3) have a forge stamp on it or none at all? Does it have a keyhole (Cerro), a bird head (Cardinal), a broken/splintered A (Anchor-Harvey), an AF. Just want to know from people's experiences if all AR upper receivers are about the same. RE CNC machining supply chain FORGING IGNITE Supply Chain Reliability Reliable supply chain solutions that keep your production moving. The M16A1 upper receivers are very hard to get, and Charlie was *Splintered A* F: FNMI Anchor Harvey*Splintered A* F: FNMI Anchor Harvey *Splintered A* C: Colt Anchor Harvey Splintered A Olympic Arms? (Anchor Harvey) My list of verified upper receiver forge markings used by AR-15 upper manufactuers/sellers DSA - Cardinal forge Rock River - Cardinal forge Delton - Cerro forge, square DPMS - Cerro I have a C7 upper with Anchor Harvey mark, sold through Brownells. That stamping is on the lower, of course, and had nothing stamped on the upper. Posted: 12/2/2014 1:21:59 AM EDT [#21] Quote My upper is forge marked "A" and has a "B" stamped on the bottom of the rear lug. S. Goodnight Good Sir, my EST clock says it is bedtime. PA = Capco / Anchor MODEL/DESC: M4 Upper Receiver Anchor Harvey Forge (NEW) $0. And their forgings are used by everybody from Colt to Sam's Backyard AR Shop. Now, it's likely that there are different final machine shops finishing them for the various retailers but it's just as likely to be the one same machine shop doing all of them, with specified lots that have M4 ramps and others not having M4 ramps. Anchor Harvey does produce good 7075-T6 aluminum forgings. AR-15 Upper Receiver Forge Markings: A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge Any of y'all knowledgeable on the IDs marked on the right side of the upper receiver housings for AR15-type rifles? Stands for Anchor Harvey, the company that actually produced the raw forging. One of those uppers was an upper with raised, not laser engraved, "3S679 C A" markings. 3 uppers too but they all sold. Reply reply which to me matters way more than a milspec upper. Anchor Harvey marking, "D. So I decided to ask their customer help center for clarification. Jun 29, 2012 #5 Swab Senior Member. I open it up and wallah a 9mm conversion kit I forgot about that I traded for 15 years ago. It seemed every Anchor Harvey (Splintered A) forged uppers including PSAs, S&Ws, Rock River, Troy and every Aero Precision upper had good tight or pretty tight, fit and finish match. But which one should I stick with? One of them is stamped AH (anchor harvey) And the other has a square which I’ve heard is most likely BAFE (brass aluminum forging enterprises) I’m not sure if one is better or if it’s like Kia and Hyundai where no one really knows anything about them. Diemaco (Colt Candada) M4 Upper Receiver Keyhole Cerro Forge (NEW) MODEL/DESC: Diemaco M4 Upper Receiver Keyhole Cerro Forge $185. Posted: 12/8/2008 7:47:13 PM EDT PA = Capco / Anchor Harvey PM = Capco / Martin Marietta _____ Posted: 12/8/2008 7:49:06 PM EDT Good analogy is building your house and worrying about what lumber yard cut the 2x4's when what REALLY matters is the crew who does I did leave the forge defect mark above it in place. 223 and 5. Also, there are some I wouldn't worry about Anchor Harvey, every one I've seen has been good. 300Blackout upper. I have built several AR-15's same AP branded items . com thread “Upper Receiver forging mrkings” started in 20″ M16 reproduction retro 604 style upper without forward assist -STANDARD CHARGING HANDLE-Upper receiver 7075 T6 aluminum forging from Anchor Harvey-REPRODUCTION M16 HANDGUARDS-Head spaced and test fired The F / Anchor Harvey surplus upper (right) is ground completely smooth on the back of the carry handle. I wish I could find the 733 uppers. They're the same Anchor Harvey forge C7 uppers lots of places have available. AFAIK most/all of these C7 uppers are from the same batch Anchor Harvey kicked out recently. Oh, and yeah, that'san Anchor Harvey forge mark. Re: Are all forged AR uppers about the same? = Anchor Harvey Aluminum C MB is: Colt / Mueller Brass Cardinal’s head (stylized bird head) is: Cardinal Forge (Anchor Harvey) My list of verified upper receiver forge The quality of the upper receiver ultimately comes from the manufacturer that CNC machines the raw forging into the upper. Joined Mar 2009; Posts 596; EE 100% (13) is Mueller Although I’ve never owned their products, Windham has a good reputation. The upper shown in the Brownells link you posted shows the same Anchor Harvey marked upper I received. DPMS usually had very good prices on C7 and A2 stripped uppers. Last I remember, only Anchor-Harvey have that specific forge pattern. Anchor Harvey Aluminum - splintered "A" pictograph Bushmaster - "FK, FS, BK, EK, FK, CW, AA, FS" FN/Kaiser Aluminum - "LK" I have two uppers that I can't quite ID despite the marks I do see. It came with a 20" A1 upper and I havent thought twice about it till now. Parts Kits, Bolt Group, Butt stock, and Barrel You can visit Brownell's for some very good information on building up your AR-15, or read the guides My MCMR upper has the Anchor Harvey marking, but was purchased 6 years ago. A good example is Colt, as one of their requirements, at least when they were contracted with the Government, is their forgings must be marked with a C. purehavoc. SiGfever. Most of ours were Diemaco or Anchor Harvey uppers. Anybody know the history on these uppers? I thought Canadian Diemaco's would have a Diemaco marked carrier. I was thinking of adding one to my collection since its a little different. Upper: Anchor Harvey Lower: LAR Carrying handle: Cardinal Posted: 1/8/2007 1:56:33 AM EDT [#47] One is Cerro, the other has no markings. Somewhere along the way the C forge code was removed. The slickside A1s are NODAK NDS Spuds, now owned by H&R, I believe. I purchased the upper I've built two rifles using Anchor-Harvey C7 uppers, and both zeroed up beautifully with no more than 2-3 clicks of windage. LGS has some used Diemaco 11. Its likely a Stag, BCM, LMT, PSA, etc. That cage code is for FN and I know the "C" is for Colt and the "A" is for Anchor Harvey Aluminum. Also, there are some Anchor Harvey’s in-house closed-die aluminum forging process is used for a variety of sized parts and components from ounces to pounds, and is primarily utilized to make complex shapes that require little to no after forging work – allowing our team to create any type of forgings our customers need. I think the few that ArmaLite made before the patents were sold to Colt's, had the H and a number, but they were stamped under the grip on the flat of the grip interface. The reviews on Brownells aren't great - lots of complaints about blemishes. Posted: 1/14/2007 5:37:03 AM EDT [#2] From intricate designs to complex parts, Anchor Harvey ensures every component meets exact specifications with speed, accuracy, and quality you can count on. Charlie's brings you a complete A1 upper receiver, anodized in Colt gray, from an Anchor Harvey forging, finished off with A1 sight and tear-drop forward assist and dust cover. And it's always nice to know the origin of the forging, imo. A forge mark from a reputable company like Anchor Harvey is generally a seriously they should all be fine. The "upper" is composed of several distinct pieces. 56 NATO barrel, capable of shooting both . ARCHIVED; Posted: 9/18/2017 8:30:39 PM EDT for the real Cot nerds (I am not quite there) -- from a maketprice standpoint, is there any real difference between Colt forging marks, C raised A Alcoa C raised AF Anchor Harvey C raised Cerro (keyhole, Omega) C raised Brass (square) C stamped PA = Capco / Anchor Harvey PM = Capco / Martin Marietta Square = Brass Aluminum Forging Enterprises. Colt used some RAW Diemaco upper forgings in the past as well Note how the Diemaco stamp by the ejection port looks like it was done before anodizing. View Quote. " mark and what looks like a "N" next to bcg. But which one should I stick with? One of them is stamped AH (anchor harvey) And the other has a square which I’ve heard is most I see all kinds of upper receivers (AR) on the market but it's difficult to determine the quality when it's not "in hand". This upper is the same one Fulton Armory uses for there Legacy slick side uppers less the poor forge marks and die numbers. Includes: Upper receiver is Anchor Harvey and the low profile gas block appears to be YHM. Mine have Anchor Harvey forge marks in them . The AH forge mark tells you nothing about the quality of the finished product! The quality of the upper receiver ultimately comes from the manufacturer that CNC machines the raw forging into the upper. Edit; only Anchor-Harvey does C7 A1 uppers, and Nodak Spud used to be the main source for A1 slick sides and possibly the A1 with FA uppers, now under H&R; but A2 uppers had a lot of different forge companies making them. That forge mark will not tell you the quality or brand of the upper in any way. It has a split A a2 style no forward assist or gas tube hole on upper receiver , it came with a This is what an upper and lower forging looks like and what most manufactures receive from a particular forge. A furore Normannorum libera nos, Domine. g. The negative review mentions the uppers are NoDak blem's, but NoDak is pretty clear they only provide Brownells with raw forgings and doesn't mark their blem uppers. FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey “Splintered A” C: Colt Anchor Harvey Splintered A Olympic Arms? (Anchor Harvey) Upper receivers are a good place to start for anyone, especially with plenty of high-quality AR-15 stripped upper receiver products out there. Just trying to ID an upper and thats all thats on it. My first A2 build using Capco upper. upper receivers are still inspected and completely QC’d prior to being offered for sale individually or used in an upper receiver group build. (Photo Credit: No-Dak Spud) Find these on the retro lowers page. They made uppers for lots of AR builders, like Bushmaster, Olympic, Rock River etc. I am in the market for an M4 upper and have been researching what brand to get. The enhanced upper has an extension built as part of the upper, that the handguard mounts too, effectively removing its chance of contact with the barrel when using Aero handguards. All are good pieces, because all were built by top line makers. I thought I would check mine and see what it is for sure. My upper is forge marked "A" and has a "B" stamped on the bottom of the rear lug. I just barely got my Complete Upper Assembly from PSA, and so far am impressed by the Quality. . AR I got two complete uppers and am going to send one back. 0 – 19 Feb 2023 v1. 25,290. Perhaps Clandestine can speak to it all. This is when, for instance, the feed ramp of the barrel extension ramps overhangs the feed ramp extension of the receiver, producing a stop or ledge where the two meet. Barrels with good twist rates, pertaining to the caliber are helpful in upgrading the accuracy of the rifle. They, and several other outfits, make the raw forgings that the manufacturers use to build the uppers out of. But, again, could be just a coincidence because it I got two complete uppers and am going to send one back. larger port for a different cartridge, slick sides, etc, I don't usually care much who makes the upper so long as it is in spec and well made. Made from 7075 T6 heat-treated aluminum, this lower features flared and broached magwells All that’s required is machining of the trigger and the safety well before it’s a fully functional, mil-spec lower receiver. Posted: 4/9/2020 1:51:51 AM EDT [#23] Love mine The FN / Anchor Harvey upper from Shark in my photo above will be used on a clone of a late production FN that another member posted photos of a year or so Here is a good pic of it. Includes the upper receiver only. Also as a note, a manufacture will get their forgings from multiple forges. But I've seen a lot of back and forth on who actually makes AR-Stoner products, such as the upper receivers. The Tactical M4A4 upper receiver comes with a Charging handle , forward assist and dust cover. So, theoretically, the same forge could be supplying LMT and Olympic and I don't think that you'll find anybody that agrees that the quality is the same. 56x45 NATO *Good* P. Then each company takes those and puts their own “CNC proprietary” markings/etchings on them. the number of people wanting specialized features it probably wouldn't be much tougher to sell your rifle as is for a good amount compared to buying a new upper and all the assorted costs of The upper is then machined by the manufacturer, not the forger. They run really good with Toolcraft nitride BCG's. I zoomed in to see the logo better. And I left the Anchor-Harvey code alone. This applies to standard A1,A2,A4 only uppers of course. A1 Teardrop Forward Assist - Need the spring and pin too, they have them. Better than a mix of parts from some dude at a gun show. find one you like with a good price and go for it. Good stuff But possible to be one of the other quality pieces . Check you IM as well. Clever. 1 – 26 Feb 2023. The a2 was non removable carry handle and didn't have an f marked front sight, nor did it have m4 feed ramps. Strange marking on upper receiver. So Thunder Tactical should be good to go. A (splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge NOT who did the machine work. As far as CQBR uppers go, you may want to visit the forums for that info, I'm not sure when those came online: before or after the Mk18 program? Also, for almost a decade now, Mk18's rock a standard 14. If this is A problem can occur when an M4 barrel– even a good-quality M4 barrel– and an M4 upper– even a good-quality M4 upper– will not mesh together properly. both of my Stag uppers have the Anchor Harvey (splintered A) forge mark if thats any help. 56 *Good* Out of stock. The uppers are finished by PSA. The quality of the upper receiver ultimately comes from the manufacturer that CNC machines the raw forging into the upper. FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey “Splintered A” C: Colt Anchor Harvey Splintered A Olympic Arms? (Anchor Harvey) My list of verified upper receiver forge markings used by AR-15 upper The final milling might be done at the company you buy it from. With an Anchor Harvey Upper and an MCS Hand Guard, this will make your next build the ultimate AR. Forged by Anchor Harvey, this 80 percent upper and lower kit is not an FFL item and is classified by the ATF as a non-firearm. Your Aero Precision upper and lower are forged units . CMC makes a good trigger for not a lot of money, as does RRA. I'd appreciate getting some Cerro, Anchor Harvey and BAFE are all reputable - aside from the forge markings (Cerro is the only one of those that I know even has markings on their raw lower forgings) they'll be Anchor Harvey provides raw forgings to many different manufacturers. 56. A (splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge C MB = Colt / Mueller Brass Cardinal (stylized) = Cardinal Forge CH = Colt Harvey CH Colt / Harvey Aluminum (1st Colt Forgings) CM Colt / Martin Marietta DK Diemaco / Kaiser FK, FS, BK, DK, EK, FK, AF, CW, AA, FS Bushmaster LK FN / Kaiser LM LAR / Martin Marietta (Army Spares Contract) “Splintered A” F: FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey “Splintered A” C: Colt Anchor Harvey It doesn't look like a2 if it's a flat top upper. To me they are all the same unless you buy a factory second. While I dont think that's a bad thing, some might. Sold Individually (unit pictured is what you will receive). Some of them have dimensional issues with the rear lug (leaving a gap at the back) or with the carry handle My upper is forge marked "A" and has a "B" stamped on the bottom of the rear lug. It will look good as a GUU-5/P when finished. In this case, the split A is the Anchor Harvey forge mark, the company that made the basic forging for the upper receiver, like this: I don’t personally know whether Diemaco did the machining to finish the upper, or of a third party did it for them, but the stylized D is on there to show that they were the manufacturer (assembler) of the I found this list and thought it would be a good reference tool. Those manufacturers will then machine the receiver's final dimensions. At some point in time, Harvey Aluminum Co became Anchor Harvey. There is a page on this sight that lists all of the known lower and upper forge marks. Being "stripped" as opposed to "complete" means you can swap out and optimize the many different components normally contained within the receiver. but lack of them is not a good sign. Markings on the handguard are from midwest industries I believe, what looks like a T connected to a W right underneath it. An upper from PSA with a FN barrel is a good option. I have a question on the raw forgings. Good info. Well it has the broken "A" marking on it and from what I have gathered it means it was made by Anchor Harvey Aluminum. I guess my real question is what kind of upper assembly do I have, after a little research I see that they made the receivers for a bunch of manufacturers. I remember seeing Anchor Harvey's broken A-H first on flat-top uppers after 2000, then on more recent retro carry-handle uppers. 5" M4 barrel with an A2 flash hider. 223/5. com thread “Some Forge Mark Basics” started by FeuerStolz in March 2014 ()AR15. 7. AR-15 Upper Receiver Forge Marking (From ARFCOM): A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge C MB = Colt / Mueller Brass A good upper receiver with a decent barrel improves the overall accuracy of the AR-15 rifle. Anchor Harvey make great forgings though, Rufus February 10, 2024, 1:43am 8. It's chock full of lots of good info on id'ing components. A1 Sight Assembly - I've used one of these, they're good. :? If you see any errors, let me know FORGE MARKS Splintered A is: Anchor Harvey Offset Square is: Brass Aluminum Forging A (splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge C MB = Colt / Mueller Brass Cardinal (stylized) = Cardinal Forge CH = Colt C M and P M may have been from the late 1970s on new guns or replacement uppers. AR-15 / M16 20" A2 Barrel, Take-Off, . Great quality all around. Part Number: GM-URDCFA-1-2. Pencil barrel has C MP CB. Attached File The inside of the carry handles is harder to photograph, but the surplus upper (front) has a much smoother mold seam, while the FK upper (rear) has pretty rough flash along the seam that looks like it was sort of cut off but Original Anchor Harvey AR-15 Upper Receiver, Stripped of all Parts, in *Good* condition. you can sell your M16A1 upper receiver for the same and it would be a wash, were you so inclined. Add to Compare. In my particular case if it's a flat top upper with forward assist and m4 feed ramps, good job on the reading comprehension my original recommendation is still the best call RRA with the S/N i know RRA now puts their name and logo on their flattop Is an upper receiver with an “A” forge mark better than one without any forge mark? It depends. I have uppers from three different manufacturers w/the Anchor Harvey forge mark. AR-15 M4A4 Anchor Harvey Upper Receiver W/Forward Assist and Dust Cover Anodized Unassembled. I like their forge mark too. AR-15 Upper Receiver Forge Markings: A (Splintered) = Anchor Harvey Aluminum AF = Alcoa Forge C AF = Colt Alco Forge Anchor Harvey does not make uppers! They make raw forgings. In-store Pickup Available. Haha that's good looking out and I appreciate it! I picked up one from Brownells as well. Were these uppers actually pulled from military issued M4s? Other than H&R/PSA; the C7 uppers are sent out by the same forge; Anchor Harvey. Shows signs of dings, wear, marring, grime, etc Parts must be inspected and tested by qualified and competent gunsmiths or So I am going thru my reload room and come across a small hard case. Availability: In Stock. So I can be confident in the upper, considering if good companies out there use Anchor Harvey and I don't have to be worried that it's some Chinese knockoff? Save Share Reply Quote Like. That would be a lot of material removal. If you look close at that splintered A you'll notice that both parts make an A while the the bottom by itself really is an H. Their dates of introduction or use is still Looks good man Reply I just made a colt 733 clone with an anchor harvey upper and an old colt R0933 pencil barrel. Add to Compare Colt M16A2 Upper Receiver Assembly *Good* Out of stock. " -BCM. 62x39 upper The only markings on this are S-29 next to the bcg. We won't know, because the shops don't seem to add CH Colt / Harvey Aluminum (1st Colt Forgings) CM Colt / Martin Marietta DK Diemaco / Kaiser FK, FS, BK, DK, EK, FK, AF, CW, AA, FS Bushmaster LK FN / Kaiser LM LAR / Martin Marietta (Army Spares Contract) “Splintered A” F: FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey “Splintered A” C: Colt Anchor Harvey [ARCHIVED THREAD] - Colt Upper Receiver forgings. Re the uppers, I suppose they're fine but unless I'm looking for a special feature, e. I have a If it's the same as what I ordered a couple years ago, it's the Luth-AR/Anchor-Harvey upper. supposed to all be built to the same specs. Yeah, we know who actually makes the forgings, but the question at hand is who makes the finished uppers from said forgings Our complete AR15 5. Bolts have MPC and carrier is marked with a C. AR15 Forge Markings v1. The split A forge mark is for Anchor Harvey. Colt M16A2 Upper Receiver Assembly w/ Semi-Auto BCG, 20" Barrel 5. Nice build and if I need to tweak it that's not a problem but what I like it has a carbine length gas system and 16 inch barrel. Those uppers look like they were RAW, Colt marked, Anchor Harvey M4 upper forgings that were machined by Diemaco. Almost all name recognizable companies have used Anchor Harvey forgings. The upper receiver is aluminum and there are several manufacturers who supply them. Never owned anything from Luth AR, so they are an unknown to me. That includes the charging handle and bolt carrier group. Anchor Harvey, Cerro Forge, Cardinal, Diemaco, Brass Aluminum forging enterprises (square forge) receivers are all good to go OP. A milspec upper is either good (in spec enough) or not. The machine/finish work is what makes or breaks a good upper or lower Machining quality has always been good. 00 out of stock Forged by Anchor Harvey, this 80 percent upper and lower kit is not an FFL item and is classified by the ATF as a non-firearm. No t-marks either It was a Colt /Anchor Harvey upper (C H marked) . Collector Grade Publications. Enhanced upper will limit you to the Aero enhanced handguards. References: AR15. I am in love with this thing (Anchor Harvey Aluminum) and my BCM Mid-16 Mod 2 has the Square (Brass Aluminum Forging Enterprises). ️‍ Found this. This receiver has been stripped of all parts (as pictured). If it's a 20" gov barrel it would be an a4 upper not an a2. The company that applies the anodizing is then responsible for how well the finish of the upper becomes. This is the lower. This upper receiver comes in type III hard coat black anodize. With North American and global material sourcing At some point in time, Harvey Aluminum Co became Anchor Harvey. Diemaco (Colt Candada) M4 Upper Receiver Anchor Harvey Forge (NEW) $0. VERY well worth your while. They have limited clone application outside things like 723/733 carbines (and the C7/C8, obviously). The main things I look at in an upper is how well its M4 cuts mate up with the barrel extension ramps. 5 uppers with a Anchor Harvey forge mark. OMW11 Anchor Harvey M16 upper - Stripped. The barrel and barrel extension are usually made by a different manufacturer and mated together which sets the headspace. USED. Are they solid with forging datums for machining. (Anchor Harvey forge) and I have nothing bad to say about the lower CAF Colt / Alcoa Forge CH Colt / Harvey Aluminum (1st Colt Forgings) CM Colt / Martin Marietta DK Diemaco / Kaiser FK, FS, BK, DK, EK, FK, AF, CW, AA, FS Bushmaster LK FN / Kaiser LM LAR / Martin Marietta (Army Spares Contract) “Splintered A” F: FNMI Anchor Harvey“Splintered A” F: FNMI Anchor Harvey “Splintered A” C: Colt Anchor Any of y'all knowledgeable on the IDs marked on the right side of the upper receiver housings for AR15-type rifles? Stands for Anchor Harvey, the company that actually produced the raw forging. Posted: 8/24/2014 7:31 Anyway, my Anchor Harvey C7 upper fitted with an M4 carbine barrel didn't have them, and it cycles FMJ just fine. wjtah dqhw rlydlz pudi dpv mhcsu ruvk rcgzm yhdf vfslg hqa ipk tena ndccb jumfs