adding m4 feed ramps to barrel

Earlfillmore 13 hr. Either way is good and both types work great with semi auto only guns. Its also recommended you polish the ramps once youve achieved the appropriate angle. You must log in or register to reply here. Looking For Bear Creek Arsenal Barrels Review? colt A1E1 733 uppers didn't have extended carbine feedramps ? Reddit and its partners use cookies and similar technologies to provide you with a better experience. I will attest that a rifle upper and a barrel with the M4 feedramps works just fine. For this test, I used a Colt upper with M4 feed ramps and a SOCOM heavy 14.5 barrel, just like what is used in the military. My alternative plan is to do exactly as you describe. Ok, So, in short, I've got a barrel on my Armalite upper (with M4 feed ramps in the upper) that has standard AR-15 (non-M4) ramps. Its a miracle! The rifle receiver, doesn't have ramps on the receiver, they are only cut into the barrel. Clear editor. Add M4 cuts to Barrel Ext $15.00 We can modify your rifle extension to match the M4 cuts in an upper receiver. This space is for pictures of "retro" Stoner rifles and completed or partial retro AR-15 builds, as well as discussions about either. so im thinking I might as well just get the unramp upper. Modern Series Barrels. Thanks! - The Shooter's Log, 2012 SHOT Show Special Report: Daniel Defense DDM4 V5 in .300 Blackout and a Factory SBR - The Shooter's Log, 2012 SHOT Show Special Report: SOG Armory Predator Rifle - The Shooter's Log, Surefire's 100-Round MAG5-100: The Highest Capacity AR-15 Magazine - The Shooter's Log, Throwback Thursday: Taurus Judge Range Report, ATI Milsport SGA 410 All the Advantages of an AR in .410, Ruger SR1911 LW Commander The Lightweight .45 ACP, Rifle Hack: Sighting for 100 Yards at a Distance of 25 Yards, Throwback Thursday: All About Bullet Grain. You absolutely do not want it the other way around however. All uppers are assembled cleaned and tested before shipping. A couple of times I ended up with the OK set up from the picture above. An upper without feed ramps can be used with a barrel that has them as the majority of the ramp is on the barrel extension. If your upper isn't showing signs of bullets rubbing on the aluminum under the barrel extension, you should be good with M4 ramps. So I'm thinking I ought to have M4 ramps in the gun because based on what I've read: Rifle receiver+M4 barrel = "OK" but not ideal. I cant advise on that one folks. First, the M4 barrel and non-M4 upper isnt likely to cause issues, but due to the relief cut on an M4-spec upper, there will be a gap that works like an edge that most definitely can snag the bullet and stub the round. Any body need a anchor for a very small boat? -The Barrel MUST be removed from the Upper Receiver in order to use this Kit.-Never cut or polish the aluminum M4 Feed Ramps in your upper receiver! ago KrinkyDink2 9 hr. Man, its crazy how many of yall have absolutely no idea why you do what you do. Feedramps, proper staking of castle nuts, forward assist (yep went there)S-happens seen it. I wont buy a barrel that isnt a wylde 223 556 but Im only now noticing. I replaced the M4 feed ramp barrel with a monolithic feed ramp barrel and no more problems. Single Action and Double Action Which One Is Better For You? M4 can better explain their benefit, although they help with more reliable feeding. So, lets glide down these lines below to erase your misconceptions about them. It's not worth changing the barrel extension on an already finished barrel, getting the new barrel extension to line up correctly with the gas port will probably cost more in gunsmithing/machining fees than buying a new barrel. I got my help from this thread, and thank you again to ORD. 50 bucks one way or the other on the barrel ain't squat! By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. For new construction barrels only. However, an M4 barrel extension is dished more so the feed ramps could extend downward, and then an area within the upper is shaped to match. Remember less is more, little by little. I have a non ramped barrel in a ramped upper, feeds fine. If a barrel comes with the feed ramps could I take them off? This gave it a longer point for the magazine to allow the rounds to come out of the magazine and feed into the chamber. For a better experience, please enable JavaScript in your browser before proceeding. which is basicallly an m16a1 cut down. I recently picked up a barrel that I thought had M4 feed ramps, but it doesn't line up with my M4 feed ramp upper. The only one I found is LaRue's upper, but it won't work with the hand guard I'm using (Geissele MKIII). Your email address will not be published. AR9 - Help diagnosing feeding issue. Press question mark to learn the rest of the keyboard shortcuts. You can put a M4 barrel and non-M4 receiver together, but you can't mismatch them the other way. JavaScript is disabled. M4 feed ramps will extend the barrel extension and the upper receiver. You need to match up barrels to receivers for optimum performance. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Some gun owners believe that the M4 ramps can help for some of the larger-diameter cartridges in use. They guide the bullet up and into the chamber. It is milled out of 6061 T6. Buy AR 15 16" .350 Legend Nitride M4 Profile Barrel 1:16: GunBroker is the largest seller of AR15 Parts Gun Parts All: 974000728 . I'm assuming that you only need the ramps from one or the other. Powered by Invision Community. The M4 was the first (allegedy) carbine length gas system. The trust part is accepting claims of USGI-spec parts actually being done to not only blueprint dimensions, but also made from the correct materials treated to the same processes. You wrote that much to make a point that should have taken about 100 words? 5. All comments are held for moderation and will appear after approval. I am glad to know that I need to look for changes in design and the differences in the A2 and A4 feed ramp / rails. Backing up a ton: Any and all AR-15 barrel extensions have feed ramps. You will be able to leave a comment after signing in, AR15Armory.com From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. I wouldn't be concerned at all with any wear after modifying an upper receiver. . The tip of the cartridge rarely comes into contact with the upper receiver. Featuring hand lapped 1/8 twist rate button rifling and M4 feed ramps barrel extensions, the 410 stainless barrel gives the shooter the best balance of weight and accuracy. I have done the same, protect the Barrel extension with a layer of electrical tape and carefully file or Dremel the ramps into the aluminum receiver. As they are becoming more and more a standard, and certainly do not do any harm to us. The barrel extension and the receiver both have to have the cuts. I'm a machinist in the aerospace industry and lucky enough to have. If your mag catch is at Spec height, you should not have a problem with an M4 cut barrel in a rifle receiver. The magazine lips cannot move, so with these larger diameter cartridges, the bullet tips down lower about the centerline of the bore (half of the diameter increase to be exact). I'll probably build a pistol out of this one. So, what youre saying is that an M16 upper (not M4 cut) will work with either barrel, but an M4 cut upper will only work with an M4 cut barrel. M4A1s run at 950 rounds per minute in full auto and even 950+ rounds per minute as the gas port erodes open bigger and bigger with wear and allows them to run even faster and much more violent. Related: If you are using a Ar rifle, best green laser sight is good choice for hunting. Is it worth the extra 50 bucks?" Thats receivers, bolts, and on down the list of the 100 or so parts that can make up an AR-15. Being a Newbie AR owner ((Ive been an avid gun owner for nearly 50 years), I appreciate the information and visual aids that Im sure will be a big help in enjoying and using this gun platform. pictures would help. On the other hand, I wouldn't consider them as a deal breaker, and they would not pass up a good deal with an upper only because it did not have them - the M4 feed ramps. Just put it in and shoot it. "It will last 5k rounds instead of 4k. Don't forget read more information about it here! When you need to nail something you use a hammer not a wrench. again, Thanks. That puts the cartridge in a position where the extended feed ramp improves the breech-loading design. M4 ramps help in feeding in for carbine in full auto. Here you can see an upper with "rifle" feedramps. If it was some flat top + 16" FSB barrel id just swap upper/barrel, but this is a little more challenging to do that with. For instance I was looking at the BCM upper receiver, and it said it had M4 feed ramps machined into the upper. You need to match up barrels to receivers for optimum performance. This includes M4 feed ramps, barrel nut, front sight tower and sight post, and -28 threads for a muzzle device. After two months of back and forth, cleaned up the feed ramps. *Must have a registered ARFCOM account to win. I notice that's a Gibbz (or Gibbz-type) upper. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Reddit and its partners use cookies and similar technologies to provide you with a better experience. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I can assure you that most mods that deviate from the original design aren't 100% reliable. . All NFA rules apply. A4 Complete Upper Receiver - 7075 Forged A4 Flat Top Upper Receiver - M4 Feed Ramps Includes: - Add to Cart. Any use of this content without express written consent is prohibited. It is a tightly machined and polished piece of metal which guides a cartridge from the top of the magazine into the firing chamber of the barrel. You can run M4 cut barrels with rifle receivers, but not the other way around as it will create at catch that can hang up the bullets. Sent back again. This is why you can use a barrel with an extension with M4 feedramps with a receiver that does not have feedramps, but you cannot use a receiver with M4 feedramps with a barrel with an extension with rifle feedramps. I didn't forsee that we'd ever see the day when replacement parts would be so hard to get. Just because you can, doesn't mean you should. Its fine to use an M4 Barrel with a non-N4 (rifle) upper but if you have the barrel already is much simpler to just buy a M-4 upper and just replace the upper the barrel is harder to build..I have even cut ramps on a rifle upper and it really wasent needed That is before I knew better.Then I guncoted the ramps before I found out about Aluminum Black treatment. *Must have a registered ARFCOM account to win. If I have a rifle ramp upper and get the barrel later and coincidentally will have an m4 ramp. Thats true overall and good to keep in mind. can the barrel extension be bought individualy? Share it in the comments section. I didnt think anything about it having M4 feed ramps. and add them to non-m4 barrels.? First of Im not a gunsmith or firearms professional. They are better! is the m4 feedramp common in barrel extensions? The best case is to have both an upper and barrel that have the feed ramps. All Rights Reserved. The information provided here does not represent the views of Cheaper Than Dirt! It has 2 ramps cut into the receiver to help the rounds feed into the chamber. Since the M4 barrel is one and a half inches shorter than the minimum legal barrel you can install in an AR15, the M4 gas tube will be, of course, smaller. Mind shooting me a link where I can pick on a C marked A1 carry handle for $150? They aid in feeding the round into the chamber from the magazine more easily, which make uppers and barrel extension matched. Regular feed ramps are cuts into the barrel extension only, which allows guiding the round into the chamber during loading, making them a fundamental feature of many breech-loading firearm designs. Required fields are marked *. By my estimates, the tip of the bullet first hits the barrel extension about 1/3 of the way up the respective feed ramp on the barrel extension. One of the AR15 engineers under Gene Stoner pretty much said that the M4 isn't a good platform, especially once the gas port erodes a bit. LanceRiley, Ideally both. Those ramps line up with the barrel, which are cut deeper than on a rifle barrel. Mil-spec is good for the masses, and if you want the job done it is a great start. Can I use a barrel with M4 feed ramps with an upper that isnt M4 matched? I have seen it done many, MANY times and if done right, it works/functions 100% without issue. Im an old vet, now retired and looking to build some ARs as a hobby to keep me doing something that I will enjoy. Metal cases ammunition such as Wolf through an M4 clone? I'd get jams from bullets hitting the back of the upper so I took a small round file and made the M4 ramps in the upper. Everything that you have on your side to make any weapons more reliable and work when it absolutely needs to is a plus. Upload or insert images from URL.