adding m4 feed ramps to barrel

adding m4 feed ramps to barrel53 days after your birthday enemy

adding m4 feed ramps to barrel

Should M4 feed ramps come with the barrel or upper? : r/ar15 - reddit Is it kosher to add M4 feed ramps to a standard upper to match an m4 ramped barrel? Check often for fit. This USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. -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! While this gun is a more of novelty build than a "serious use" AR, I intend to use good parts and want it to run as well as my other ARs. If your magazines are set up correctly, and the feed lip edges polished smooth, each round fed from the magazine will go directly into the chamber. BCM 14.5" MK2 Upper (Standard) w/ 13" MLOK Handguard - FDE Watch a video about our Modern Series AR barrel: PRI MK 12 Mod H 16" 223/5.56 Upper w/ 1-7 twist Does it make a big difference? Description Genuine 14.5" SOCOM, carbine length gas system barrel from Colt. You can always buy a non-m4 extension and have the new barrel retimed and headspaced, but it will probably cost more than a new upper receiver. Additionally, in this increasingly specialized world of AR-15 parts that we live in, there are proprietary feed ramp cuts used for some alternate cartridges, such as .458 SOCOM. The Mission of Cheaper Than Dirt! The best case is to have both an upper and barrel that have the feed ramps. The parts are interchangeable. 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. The M4 cut extends down beyond the edge of the barrel extension (has a scalloped appearance), and a correspondingly deeper cut in an M4-spec upper receiver effectively extends the ramps downward (theyre lowered). April 23, 2014 in Rifle - Technical. Douglas 5.56 Stainless Steel Barrel 18" - 1~7 twist Your discussions, feedback and comments are welcome here as long as they are relevant and insightful. For those who have actually done it will a new barrel with the M4 feed ramp extension function properly with an old school rifle-type upper receiver? You can put a M4 barrel and non-M4 receiver together, but you can't mismatch them the other way. M4 feed ramps were created during the development of the xM4 carbine for the original Army requirement of a carbine rifle that used the then current M16A2 upper receiver, 14.5" Barrel and had featured a collapsible sliding stock. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. We reserve the right to edit as appropriate, delete profane, harassing, abusive and spam comments or posts, and block repeat offenders. May 17, 2008 in The Armorer. Inadequate knowledge about these feed ramps can lead to lots of problems with barrels because they are essential parts to guide the bullet up and into the chamber. The M4 was the first (allegedy) carbine length gas system. m4 feed ramps - The Armorer - AR15Armory.com My factory JP CTR-02 has the appearance of the bottom right picture in the post above, M4 barrel extension in a rifle receiver, and there is not a mark on the aluminum under the barrel extension. I recommend putting any AR-platform firearm together with a matched M4 barrel extension and upper receiver set, just because you can. So, what is the difference between M4 feed ramps and regular ones? If you aren't 110% comfortable with doing the job, and you do not have all the tools and equipment to do it properly, then have a smith do it for you. The closest brand new barrel you are likely to find is the Windham Weaponry 20 inch 1/7 twist chrome lined barrel. Rifles, Uppers, Lowers, Barrels, and more, [ARCHIVED THREAD] - Rifle vs m4 feed ramps, http://i135.photobucket.com/albums/q125/PursuitSS/Postings%20photos/c0d26170b75c3e6f9ea65a7d0862247e.jpg. Don't forget read more information about it here! Machined from 4150 Chrome Moly Vanadium Steel and feature a QPQ corrosion resistant finish and QPQ coated M4 feed ramp extension. M4 feed ramp barrel in a non M4 ramp upper - AR15.COM Press question mark to learn the rest of the keyboard shortcuts. Any use of this content without express written consent is prohibited. The tip of the cartridge rarely comes into contact with the upper receiver. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Add M4 cuts to Barrel Ext $15.00 We can modify your rifle extension to match the M4 cuts in an upper receiver. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. I'll probably build a pistol out of this one. What is an m4 feed ramp? I've seen several places say you just need a 1/8" chainsaw sharpening bit and a Dremel to fix it. UPPER RECEIVER: AR-15 Mil-Spec Machined out of 7075-T6 Forged Aluminum, M4 Feed Ramps, Cerakoted Magpul Flat Dark Earth (FDE) Color with Forward Assist and Ejection Port Cover Installed BARREL: 22 inch, 223 Wylde Caliber, 4150 CMV, 1:7 Twist, Heavy Bull Barrel Profile, Straight Fluted, Melonite/Nitride Finish - made for us by Tactical Kinetics HAND M4-style barrel extension with Rifle-type upper - Rifle - Technical Go slow and you'll be done in no time. Ballistic Performance of Federal Punch .22 LR Ammunition with the Heritage Barkeep #1063. What is the difference between Modern, Performance, and Premium Series Barrels? All things being equal and having used both weapons extensively, Id rather have the feed Ramps. By using the M4 feed ramps for your firearm, you could pick up an increased percentage of the rounds, and feeding reliability would be improved. Barrel FAQs | Ballistic Advantage AR-15 Barrel Extension Question - Sniper's Hide Forum The M4 receiver feed ramps are cut at a steeper angle and, as a result, extend down into the receiver wall. Amazing what happens in a thread over a simple question. Do you have an AR barrel or feed ramp tip? Get The Best Trigger Pull Gauges To Make Every Shot Count. [WTB] Black A1 carry handle upper NON-m4 feed ramp $200 so im thinking I might as well just get the unramp upper. Mind shooting me a link where I can pick on a C marked A1 carry handle for $150? Mind shooting me a link where I can pick on a C marked A1 carry handle for $150? Proper maintenance and lubrication. FN AR-15 5.56X45mm Nato . again, Thanks. "It will last 5k rounds instead of 4k. - The Shooter's Log, 2012 SHOT Show Special Report: Del-Ton TRX Rifle and More! 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. Married pretty well with my Seekins machined lower. And that the M4s and M4A1s are issued M855 which has a slight difference in bullet shape vs. the older 55gr M193 BALL. Polishing the edges of the chamber mouth to remove the edges of that chamfer will. It's near impossible to replace the carry handle upper I have these days, and finding a colt chrome lined 20" light weight barrel isn't a walk in the park either. I was planning on using a Daniel Defense 14.5 pencil barrel, because like the C8 they are CHF, lightweight profile, and .750 at the FSB (And also because quality carbine pencil barrels with .625 gas blocks seem to be in short supplyor else I'd just build a 723 clone.) . For someone who is new at trying to understand feed ramps it helps to read a couple different explanations. These units actually feature the NON-F-Marked (correct) front sight base. Modify AR15 A2 barrel extension for M4 feed ramp? You will be able to leave a comment after signing in, AR15Armory.com Change the angle so that the ramp ends at the exact same point. Full M4 feed ramps start on the upper and continue onto the barrel extension. Anodized red parts. 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. Copyright 1996-2023 AR15.COM LLC. 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. Adding feedramps - M4Carbine.net I put together a second AR9 that is having a feeding issue, even if using similar parts as the first one. Is it worth the extra 50 bucks?" Brevity matters. Which Model Colt 1911 is For Me? Most work performed while-you-wait, evening and saturday appointments available. The Fora platform includes forum software by XenForo. Issues can arise when receivers and barrel extensions are mismatched. Backing up a ton: The ramps on regular barrel extension are cut just to the edges, while the M4 feed ramps have deeper cuts in the M4-spec upper receiver. True, which is why they're not even needed in semi autos. Factory said its fine . AR15 Feed Ramp Cut & Polish Kit - School of the American Rifle Shopping with us is absolutely safe - you never have to worry about credit card safety when shopping here Share your latest AR build or photos from the range with #RangeDayFriday for a chance to win a new firearm! 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. Press J to jump to the feed. pm me at BOG or PG, or get in touch with my number 09177542777 if you're interested. 2. Del-Ton, Inc. AR-15 16" M4 Custom Upper This includes M4 feed ramps, barrel nut, front sight tower and sight post, and -28 threads for a muzzle device. I recently built an AR9 (Glock Mags) that has been running flawlessly for about 3-400rds. 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. FFL Fax: 866-721-8691. Product Details Douglas 18" Flat Dark Earth Cerakoted 416 stainless steel barrel with 1-7 twist and M4 feed ramps. You wrote that much to make a point that should have taken about 100 words? 's blog. The A2's are pretty reliable guns, but trashed mags can cause them to have malfunctions also. Forged 7075-T6 aluminum is harder than a bulls balls. Caught a deal on a matched barrel and bolt. When I function tested it the first time with live half-jacketed rounds I had the worst FTF jam I have ever experienced. Reliability is the main concern for me when I re-barrel this rifle. However, if youre wanting to rebarrel a non-M4-cut upper with an M4 feed-ramp equipped barrel, or going the other direction: you have a new upper thats been relieved to fit with the M4 ramps, and a non-M4-cut barrel extension, and that wont work! I will check with compass lake. DSA has fat top, Mueller, non feed ramp uppers for $40. 30 cal. When carrying out feed ramp polishing, it is crucial to prioritize the frame's angles, which is a critical part of the feed ramp. FN AR-15 5.56 NATO 20" Hammer Forged Barrel - Black Metal cases ammunition such as Wolf through an M4 clone? What Are M4 Feed Ramps and What Is The Benefit Of It? - Adventure Footstep AR Tech Tip - Checking M4 Ramps for overhang - YouTube The barrel blanks available are made from 416 Stainless Steel. Ar-15 Manufacturers Should Be Avoided: Which Should You Buy? JavaScript is disabled. Those ramps line up with the barrel, which are cut deeper than on a rifle barrel. But, as with anything else, this work can go too far. Gun smith said , not head spaced properly. You cannot paste images directly. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. "C" stamp and CAGE code available. Finding the proper upper receiver is your best option. The difference between standard feed ramps and M4 ramps is easy to see. Barrel is medium SPR profiled barrel, threaded with a 1/2-28 thread for the AE brakes and collar. P2A PATRIOT 22" 223 Wylde 1/7 Rifle Length Melonite Fluted Heavy Bull I too built a .458 SOCOM carbine . Another reason is that any commercial receiver and parts makers want to tool up to make upper receivers and barrel extensions, especially when shorter guns are becoming more popular. 5. How long your barrel "lasts" depends on what your accuracy threshold is before you decide it is too bad to keep using. 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. 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. M4 feed ramps will extend the barrel extension and the upper receiver. Edited April 27, 2014 by Mark Gale Having been in military supply, I know that what the mil-spec means: it gets the minimum job done for thousands (millions) of parts/systems. I just need a little guidance on this and I'm having trouble getting good results from Google. In general, all you need to understand is that the M4 feed ramps include the barrel extension and upper receiver. The last is using the best and right ammo for the job. The ramp angles are different and changing the profile of the extension doesn't make it something it isn't. practical_man I've seen that pic, it is a good reference. And it appears that the bolt is slamming into the top of the bullet. M4 Barrel Extension (M4 Feedramps) $22.95 (4 reviews) SKU: Barrel-Extension-M4 Stock Status: Quantity: Add to Wish List Description For your AR15, M16, M4. You want them to match. 14.5" M4 SOCOM Barrel Assembly with Sight Tower - Brownells For use by barrel manufacturers. Im an old vet, now retired and looking to build some ARs as a hobby to keep me doing something that I will enjoy. In case My barrel is rifle ramp it won't be so bad after all. First of Im not a gunsmith or firearms professional. I didnt think anything about it having M4 feed ramps. An older-version (or A2-style) feed ramp is cut only on the barrel extension itself (top). I wont buy a barrel that isnt a wylde 223 556 but Im only now noticing. I don't quite trust myself to give it a go, but if that's all there is to it I'm hoping they can do it for a reasonable price. The only other time it seems to help is if the mag is feeding the rounds with the bullet slightly angled lower than normal. M4 feed ramps. I'd rather not spent the money to get it cut to the specific length I need, FSB installed, etc just to have it immediately not work and have to sort out then or start from square one with a new barrel. Upload or insert images from URL. As a result, the factory machined M4 feed ramps on the receiver are hard coat anodized which adds significant strength to the aluminum. if you are OK with 3MOA, you might go 20,000 rounds! Can I use a barrel with M4 feed ramps with an upper that isnt M4 matched? EDIT: Okay, I understand now! Earlfillmore 13 hr. A couple of times I ended up with the OK set up from the picture above. Powered by Invision Community, M4-style barrel extension with Rifle-type upper. Press J to jump to the feed. I suggest you get a rifle receiver. Required fields are marked *. I built the upper using a Mega upper with a Compass Lake 18" barrel. Please allow 5~10 days for assembly and testing before ship date. So the engineers lowered the feed rampa into the receiver. The dimensions are different between the two, so theyd have to change some things to the feed ramps dimensions. hey bro nice to see you here!!! I found the article very informative. And that is the important thing! The best case is to have both an upper and barrel that have the feed ramps. Standard vs M4 Feed Ramps, what's the difference #1056 Questions on how to install your new BA barrel? BEFORE YOU GO MODIFYING IT, check your headspace.I have a Gibbz upper in my junk drawer because the upper -- for some reason -- wouldn't allow a perfectly good bolt (as checked by Criterion) to headspace correctly on a Criterion barrel, with the bolt installed in the carrier. 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. 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. Upper Receiver WITHOUT M4 Feed Ramp Cuts? - Sniper's Hide Forum I have seen it done many, MANY times and if done right, it works/functions 100% without issue. 2. You can modify the upper, but bear in mind that the un-anodized aluminum surface will be very soft and prone to wear if your particular bullet hits it frequently. http://www.ar15fornoobs.com/wp-content/uploads/feedramps.jpg. I guess it depends on what your relationship to the necessary shop activities is. Its highly recommended to put any AR-platform firearm together with a matching M4 barrel extension and upper receiver set. Full M4 feed ramps start on the upper and continue onto the barrel extension. I notice that's a Gibbz (or Gibbz-type) upper. So there's a lot more going on with rounds bouncing up and down in the mags etc. Can someone recommend or point me in the right direction of a good quality upper receiver for an SPR build that does not have M4 feed ramp cuts in it? You also repeated yourself. Thanks for explaining the feed ramp topic in a couple of different ways. 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. The information provided here does not represent the views of Cheaper Than Dirt! There's no downside to having M4 feedramps on your carbine, but they are not as necessary without full auto and when using followers that will not tilt (or in a 20 AR15). I have looked and looked and looked. . AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. This gave it a longer point for the magazine to allow the rounds to come out of the magazine and feed into the chamber. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. I've thought about it myself, and I'd like to see test results if any exist, displaying what reliability effect M4 ramps have on other barrel lengths. Thank you for answering the question do well. DoubleStar M4 clone opinions | Survivalist Forum colt A1E1 733 uppers didn't have extended carbine feedramps ? Notify me of follow-up comments by email. Then you can get a regular rifle barrel for the upper with no ramps. However the DD 14.5 are ideally meant to mate up with M4 style upper receiver feedramps. Looking to spend $180-250 (depending on condition, forge mark and if a rear sight is included or not.) is the m4 feedramp common in barrel extensions? For new construction barrels only. Now, theres nothing wrong at all with a little polish on any and all feed ramps, which can not only be done fairly easily, it can be successfully done by most at home. For a better experience, please enable JavaScript in your browser before proceeding. Try this little exercise: 1. ago Costs about $40-50 to have the feed ramps reprofiled from what I can gather. aaargh.. that's the setup I hate to see. You have a rifle barrel. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. All Rights Reserved. So I called. which is basicallly an m16a1 cut down. All NFA rules apply. . so it is better to have an upper reciever that's designed for non-m4 feed ramps since you can put in standard barrels right? I didn't forsee that we'd ever see the day when replacement parts would be so hard to get. Also, barrel life is relative. Feeds flawlessly. Editors Note: This article was originally published in January of 2019. It has 2 ramps cut into the receiver to help the rounds feed into the chamber. Previous. How to Clone the M16A2 Rifle - The New Rifleman M4 ramps help in feeding in for carbine in full auto. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. ago KrinkyDink2 9 hr. LanceRiley, I have a non ramped barrel in a ramped upper, feeds fine. Your email address will not be published. All comments are held for moderation and will appear after approval. The ramps on the regular rifle-type extension are cut just to the edge of the extension. I had seen these pix years ago and dismissed the idea of mix and match. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. *Must have a registered ARFCOM account to win. I got my help from this thread, and thank you again to ORD. If you don't clean it but demand 3/4MOA you might get 1,500. So, lets glide down these lines below to erase your misconceptions about them. Our 6mm ARC barrel come standard with 1-7.5 Twist, M4 Feed Ramps and gas tube. The extension is the part at the end of the barrel that fits inside the upper. I've shot a good deal of rounds through 20" A2's and I realize they run but you are describing issues that the M4 feed ramps alleviate, that would probably be good to reduce on A2's as well. Jams and misfires. The barrel extension and the receiver both have to have the cuts. There are several, but Steve and the guys at ADCO in OH are one such option (they use the Dremel method, but they do it right as I have seen several first-hand examples of their work and its performance after the fact). Any use of this content without express written consent is prohibited. It has ran flawlessly (barring tuning of the gasblock when new) with several different brands of magazines and ammo. Should not be too hard. As suggested, its best to match the upper and barrel extension no worries that way. M16s and M16-A1s run at 750 rounds per minute in full auto.