There are now thousands of upper receivers and ready-to-use barrels that have the cuts of M4 feed ramps. Amazing what happens in a thread over a simple question. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Surplus Colt 14.5 M4 SOCOM Carbine Barrel 1/7 Twist Come join the discussion about racing, builds, pro mods, hot rods, events, turbos, nitrous, superchargers, and more! 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. 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. I'm assuming that you only need the ramps from one or the other. If you want precision, dont look to the mil-spec gun, look to the one that is popular in 3-gun competitions, at Thunder Ranch, etc. 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. 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. 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. Previous. I read in Bravo company that there are 2 kinds of flat top upper. M4 feed ramps will extend the barrel extension and the upper receiver. This includes M4 feed ramps, barrel nut, front sight tower and sight post, and -28 threads for a muzzle device. M4-style barrel extension with Rifle-type upper - Rifle - Technical pm me at BOG or PG, or get in touch with my number 09177542777 if you're interested. If you have an account, sign in now to post with your account. A couple of times I ended up with the OK set up from the picture above. The parts are interchangeable. The barrel is supposed to have the M4 feed ramps. Adding feedramps - M4Carbine.net Any use of this content without express written consent is prohibited. This USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. A4 Complete Upper Receiver - 7075 Forged A4 Flat Top Upper Receiver - M4 Feed Ramps Includes: - Add to Cart. For a better experience, please enable JavaScript in your browser before proceeding. Your link has been automatically embedded. The barrel Throat is the second most critical component after angles and should be polished with utmost care. AR Tech Tip - Checking M4 Ramps for overhang School of the American Rifle 84.8K subscribers Subscribe 2.9K 90K views 2 years ago AR Tech Tip - Checking M4 Ramps for overhang Show more Show more. Sorta. Feedramps, proper staking of castle nuts, forward assist (yep went there)S-happens seen it. All we do is dremmel it to match - we dont remove it and grind to any specific angle. *Must have a registered ARFCOM account to win. AR-15 Feed Ramp Problems - School of the American Rifle 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. 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. They provide a lower, wider, and smoother entry for any round of ammo, whether its necessary or not. Moreover, telling someone that an extension can be modified, while not a lie, is nothing more than mental masturbation when your post contains a caveat for having the knowledge and proper tools. Some gun owners believe that the M4 ramps can help for some of the larger-diameter cartridges in use. Only took a few minutes. My experience with ARs is all A-1s. 1 is a standard and the other for use with m4 feed ramp barrels. All Rights Reserved. For someone who is new at trying to understand feed ramps it helps to read a couple different explanations. It is removeable with a special wrench and a barrel clamp/vise. Brevity matters. Feels like a silly question now that it makes sense. 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). M855A1 5.56mm NATO Penetrator Ammo Feed Ramp Issues: Real, Hype or just Watch a video about our Modern Series AR barrel: Paste as plain text instead, 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? When you need to nail something you use a hammer not a wrench. BUT, I DO NOT TRUST MY LIFE TO THAT WEAPON. Its highly recommended to put any AR-platform firearm together with a matching M4 barrel extension and upper receiver set. Personally, I would sell the rifle upper and buy an M4 upper - the cost will be small and you will end up with a more satisfactory end product. - 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. With the increased use of larger-diameter cased cartridges, the M4 feed ramps are proving their values when using them in those cartridges. All things being equal and having used both weapons extensively, Id rather have the feed Ramps. A closer look at uppers and barrel extensions. I would just make sure to order rifle upper with rifle barrel extension or M4 upper with M4 barrel extension. Contents: 1 Diamond Burr (For Colt 2 Stage Ramps) 1 Cut Lube (For Diamond Burr) 1 Bullet Stone (For Reshaping . 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. Rifle vs m4 feed ramps - AR15.COM Our 6.5 Grendel Black Nitride rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. The M4 was the first (allegedy) carbine length gas system. Given that most of us dont always have perfect access to truly genuine Mil-Spec, mil-standard parts (those actually used in issued fighting tools), were shopping based on a little part trust and a bigger part knowledge. Does NOT include pin Caught a deal on a matched barrel and bolt. So like ORD says it is entirely 100% possible and plenty of people do it, but I would rather not do any work to this perfect barrel. from my service in the 70s to my personal weapons, all of my ARs are early 1970 slab sided Colt SP1s. Press question mark to learn the rest of the keyboard shortcuts. Seems M4 is all the rage these days. After two months of back and forth, cleaned up the feed ramps. Copyright 2016 - 2023 by AdventureFootstep.com. All uppers are assembled cleaned and tested before shipping. M4 16", SBN, 1:7, 5.56 NATO Barrel Specifications: - Caliber: 5.56 NATO (.223 REM) - Gas Tube: Car Add to Cart. The Bullet ~ Handguns, Rifles and Shotguns, http://thearguys.com/ar-facts/m4-feed-ramps/. It is milled out of 6061 T6. CUTTING M4 RAMPS - YouTube The ramps are in the barrel extension. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. The information provided here does not represent the views of Cheaper Than Dirt! I would only add the feed ramps to the receiver if I had feeding issues, which you should not have. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Owning Best Ruger SR9c Accessories Can Change Your Life. Both. Figuring Out Feed Ramps | Feed Ramp Tips | The Shooter's Log What Are M4 Feed Ramps and What Is The Benefit Of It? - Adventure Footstep Looking for a black stripped A1 upper with non m4 feed ramps (just realized the upper I have wont work with my barrel). Some, me included, have said that the M4 ramps are a help to some of the larger-diameter cartridges in use, such as 6.5 Grendel or .22 Nosler. Reach in through the ejection port and slide the on deck cartridge about 1/4 inch forward and observe the tip of the bullet in relationship to the barrel extension. 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. If you consider this article useful, share it with anyone in need! 14.5" M4 SOCOM Barrel Assembly with Sight Tower - Brownells In this episode of Gun Stock Reviews, we look at the difference between M4 Ramps and the old standard ramps of the past. "A Bad Day At The Range Is Better Than A Great Day Working". Press J to jump to the feed. The barrel blanks available are made from 416 Stainless Steel. Adding M4 feedramps to A1/C7 upper - M4Carbine.net 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. The extension is the part at the end of the barrel that fits inside the upper. All Rights Reserved. Getting the AR Barrel and Receiver Configuration Correct AR9 - Help diagnosing feeding issue - Calguns.net I found the article very informative. Single Action and Double Action Which One Is Better For You? Related: If you are using a Ar rifle, best green laser sight is good choice for hunting. Go back to writing school. pictures would help. Product Details Douglas 18" Flat Dark Earth Cerakoted 416 stainless steel barrel with 1-7 twist and M4 feed ramps. For the purposes of this chapter, we'll call the new one the M4, and the old one the AR. To conclude, the M4 feed ramps bring a lot of improvements to the AR-platform firearms. M4 ramps help in feeding in for carbine in full auto. I replaced the M4 feed ramp barrel with a monolithic feed ramp barrel and no more problems. 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. Looking to spend $180-250 (depending on condition, forge mark and if a rear sight is included or not.) Barrel Length: 16" Barrel Material: 4150V Chrome Moly Vanadium Steel Barrel Finish: Phosphate Barrel Profile: M4 Chamber: 5.56 NATO Twist Rate: 1 in 7" Extension: M4 Gas System: Carbine-Length Gas Block Type: Low Profile .750" Diameter Upper Receiver: Forged 7075 T6 Aluminum Receiver Style: M4 Flat top with feed ramps Receiver Finish: Hardcoat Anodized 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. I think you will find that the tip of the bullet clears the M4 cuts in the upper receiver by a wide margin. AR15 20 inch Upper Receiver Group (SS) w/ Handguard | BCM 338 and others not the .308 76251 or 6.5 creedmore which o think should have a.30cal feed ramp.? Issues can arise when receivers and barrel extensions are mismatched. I can assure you that most mods that deviate from the original design aren't 100% reliable. The M-16/M4 are great weapons. M4 feed ramp barrel in a non M4 ramp upper - AR15.COM Costs about $40-50 to have the feed ramps reprofiled from what I can gather. They were not intended to be super long range man killers. I've seen uppers with and without anodizing on M4 ramps . it seems to me to be about 50/50 with and without. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Installing a Luth-AR Rifle Buffer Tube and an A2 Stock #1041. All this basically means is that the ramps continue from the barrel extension down through the upper receiver tonthe magazine. What is an m4 feed ramp? Please allow 5~10 days for assembly and testing before ship date. 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. Edited April 27, 2014 by Mark Gale Check often for fit. Proper maintenance and lubrication. Home Firearms Figuring Out Feed Ramps. Full M4 feed ramps start on the upper and continue onto the barrel extension. 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. So, an M4 feed ramp includes the barrel extension and the upper. Thats why AR10s- And Scar heavies exist for. Use this M4 Barrel extention with M4 feedramps. Full M4 feed ramps start on the upper and continue onto the barrel extension. "It will last 5k rounds instead of 4k. The only other time it seems to help is if the mag is feeding the rounds with the bullet slightly angled lower than normal. Instead, I just loaded up each mag with two rounds, and pushed the rounds forward by hand until the tip of . Damaged Ak front end Barrel in Trunnion with or without sight bases. 2. You cannot paste images directly. JavaScript is disabled. 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. BCM 16" M4 Carbine Upper Receiver Group | BravoCompanyUSA AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. In case My barrel is rifle ramp it won't be so bad after all. M4 can better explain their benefit, although they help with more reliable feeding. I like all my guns to be reliable. -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! AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. The first reason is that they are, indeed, better. Feeds flawlessly. I put together a second AR9 that is having a feeding issue, even if using similar parts as the first one. upper recievers and barrels are hard to comeby. Do you need an M4 feed ramp on your AR? Here is some info. May 17, 2008 in The Armorer. Your previous content has been restored. Should not be too hard. instead of mil-spec. 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. So I called. In military situations, it is advantageous for rifles to function with damaged, worn, or less than ideally serviceable magazines. CARBON-15 Stripped Lower Receiver "C" stamp and CAGE code available. Feed Ramp Polishing - How To Do It Properly? - Homestead & Prepper As suggested, its best to match the upper and barrel extension no worries that way. Should M4 feed ramps come with the barrel or upper? : r/ar15 - reddit You can post now and register later. I'm planning on replacing my forearm with a Larue 13.5. Was sort of worried about how it would run with an 11.5" barrel and mismatched ramps, but it sounds like it should be good to go either way. We have four combinations here: what I fear the most is having an m4 ramp upper and then getting a barrel with a rifle ramp. Anything else you want to share about M4 clones would be appreciated, especially when it comes to a reliable rifle. Shorter length equates to much higher pressure in the upper receiver. can the barrel extension be bought individualy? Don't forget read more information about it here! I have looked and looked and looked. They aid in feeding the round into the chamber from the magazine more easily, which make uppers and barrel extension matched. DoubleStar M4 clone opinions | Survivalist Forum 308 m5 using m4 feed ramps, which I belive are for the smaller round like. Other selections are available for upper, bolt and carrier, charging handle, handguards, flash hiders, and gas blocks. Earlfillmore 13 hr. The M4 style feed ramps and barrel extension provide consistent feeding and the matte black Manganese Phosphate finish resists external corrosion and oxidation. You must log in or register to reply here. So, I had purchased a 458 upper. Don't ever put non M4 ramped barrel on a M4 ramped upper receiver. I like getting another Upper idea then you could end up with two rifles! From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. If you have a m4 ramped upper but not barrel you can cause problems as there's a lip of steel barrel extension in the way that can cause feeding problems. The reason I decided to write about this topic at all was because there are some mil-spec features advertised on aftermarket parts that arent even really mil-spec. 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. Create an account to follow your favorite communities and start taking part in conversations. AR Tech Tip - Checking M4 Ramps for overhang - YouTube There's a 7 degree difference between standard and M4 ramps. 50 bucks one way or the other on the barrel ain't squat! I've seen several places say you just need a 1/8" chainsaw sharpening bit and a Dremel to fix it. Just because you can, doesn't mean you should. Olympic Arms Upper receiver with rear sight assembly and forward assist and dust cover has M4 feed ramps $260 View attachment 1016575 View attachment 1016576 Read Now. However Ive built numerous ar15 and lr308 rifles and pistols. I've modified barrel/receivers even before M4 cuts came out and done some receivers when the barrels had cuts. Is it worth the extra 50 bucks?" Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Mind shooting me a link where I can pick on a C marked A1 carry handle for $150? 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. 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. You need to match up barrels to receivers for optimum performance.
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