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. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Surplus Colt 14.5 M4 SOCOM Carbine Barrel 1/7 Twist 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). Use this M4 Barrel extention with M4 feedramps. M16s and M16-A1s run at 750 rounds per minute in full auto. Mil-spec is good for the masses, and if you want the job done it is a great start. Here you can see an upper with "rifle" feedramps. 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. Remember less is more, little by little. Some argue that, factually, its a step to enable a smoother feeding. PRI MK 12 Mod H 16" 223/5.56 Upper w/ 1-7 twist By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. I will check with compass lake. The rifle-platform M16s dont use them. Your discussions, feedback and comments are welcome here as long as they are relevant and insightful. pictures would help. M4 feed ramp barrel in a non M4 ramp upper - AR15.COM Editors Note: This article was originally published in January of 2019. Feed Ramps -300BlkTalk If it's happening regularly, check the magazines you are using for serviceability. I didnt think anything about it having M4 feed ramps. I have a 723 build (w/ C7 upper) and a 727 build (A2 upper) that use 14.5" Colt M4 barrels. One new winner* is announced every week! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The rifle receiver, doesn't have ramps on the receiver, they are only cut into the barrel. Recommend using a gunsmith this route too if you are not comfortable. 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. Again, youll find plenty of videos on spooling up hand grinders to remedy feed ramp and ejection port issues with these larger cartridges, but I strongly suggest going factory-done aftermarket. It's going to a gunsmith to be shortened and rethreaded anyways, can they just grind/polish the feed ramps to match or is it more involved than that? Full M4 feed ramps start on the upper and continue onto the barrel extension. . So, I had purchased a 458 upper. I got my help from this thread, and thank you again to ORD. All Rights Reserved. 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). Douglas 5.56 Stainless Steel Barrel 18" - 1~7 twist Load a magazine with two or three rounds, lock the bolt group back on your rifle or carbine and insert the magazine. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. And it appears that the bolt is slamming into the top of the bullet. Should M4 feed ramps come with the barrel or upper? : r/ar15 - reddit For instance I was looking at the BCM upper receiver, and it said it had M4 feed ramps machined into the upper. I will attest that a rifle upper and a barrel with the M4 feedramps works just fine. Oh well, as I tell my lovely and understanding bride, guns are relatively free. it's the ammo and training that cost real money. That's an important thing since without the feed ramps, issues can arise when receivers and barrel extensions are mismatched. What's the difference? In most cases the ramps only help during full auto mode while cycling at a high rate. If you don't clean it but demand 3/4MOA you might get 1,500. Do you have an AR barrel or feed ramp tip? Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. M4 16", SBN, 1:7, 5.56 NATO Barrel Specifications: - Caliber: 5.56 NATO (.223 REM) - Gas Tube: Car Add to Cart. They are also 1/7 twist, 4150 steel, chrome lined, and button rifled like the real deal! I wouldn't be concerned at all with any wear after modifying an upper receiver. Thanks for explaining the feed ramp topic in a couple of different ways. Ideally both. 50 bucks one way or the other on the barrel ain't squat! Not saying a really good gunsmith cant do it, just that theres a bit of an involved process. The M4, and the CAR-15, before it have had similar problems like the ones you mentioned. No feed ramps. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Either way is good and both types work great with semi auto only guns. Powered by Invision Community, M4-style barrel extension with Rifle-type upper. Any use of this content without express written consent is prohibited. So I called. Ready to drop onto a complete lower receiver. Add M4 cuts to Barrel Ext $15.00 We can modify your rifle extension to match the M4 cuts in an upper receiver. I recommend putting any AR-platform firearm together with a matched M4 barrel extension and upper receiver set, just because you can. If you have a bolt that you would like to use you are welcome to ship it to us for accurate headspace. For new construction barrels only. BrianEnos.com Its easier to add feed ramps to the receiver not so easy to add them to the barrel extension. I replaced the M4 feed ramp barrel with a monolithic feed ramp barrel and no more problems. If I was concerned with precision, I would seek out parts from well-known gun makers and customizers Baer comes to mind, Hart barrels, etc etc. Colt LE6920SOCOM M4 Carbine 5.56 16.1 Barrel SOCOM Sight 30-rd . The dimensions are different between the two, so theyd have to change some things to the feed ramps dimensions. For the purposes of this chapter, we'll call the new one the M4, and the old one the AR. For a better experience, please enable JavaScript in your browser before proceeding. 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 How to Clone the M16A2 Rifle - The New Rifleman All this basically means is that the ramps continue from the barrel extension down through the upper receiver tonthe magazine. A4 Complete Upper Receiver. The M-16/M4 are great weapons. I'm a machinist in the aerospace industry and lucky enough to have. Upload or insert images from URL. 11.5", SBN, 1:7, 5.56 NATO Barrel Create Account; Log Out ; Log In ; Wishlist 0; Shopping Cart 0; Home; About It gives a longer ramp that is less steep into the chamber. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Here's some info from Randall Rauch aka www.ar15barrels.com, if your barrel extension has M4 ramps you should have an upper receiver also with the ramps. 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. P2A PATRIOT 22" 223 Wylde 1/7 Rifle Length Melonite Fluted Heavy Bull 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. - 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. 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. This is a big tip, by the way, for pistol-caliber ARs. I'd rather just pay the gunsmith to make it work than hunt down another barrel/upper if possible. It's best to use rifle/rifle combo or M4/M4. is the m4 feedramp common in barrel extensions? Then the manufacturer discontinued the barrel. The ramps are in the barrel extension. 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 USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. Read Now. The M4 receiver feed ramps are cut at a steeper angle and, as a result, extend down into the receiver wall. Only took a few minutes. 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. With a larger diameter case body sitting down in the magazine, the tip of the bullet sits lower in relation to the chamber/bore centerline than with a .223-size round. All things being equal and having used both weapons extensively, Id rather have the feed Ramps. You can post now and register later. hey bro nice to see you here!!! PSA PA-15 16"M4 Phosphate 5.56 NATO 1/7 Classic AR-15 Rifle with 13.5"M BUT, I DO NOT TRUST MY LIFE TO THAT WEAPON. My alternative plan is to do exactly as you describe. True, which is why they're not even needed in semi autos. Lol. Clear editor. practical_man Dec 17, 2020. Thread: Adding M4 feedramps to A1/C7 upper. Good call. You want them to match. As suggested, its best to match the upper and barrel extension no worries that way. Most work performed while-you-wait, evening and saturday appointments available. Del-Ton, Inc. AR-15 16" M4 Custom Upper I've modified barrel/receivers even before M4 cuts came out and done some receivers when the barrels had cuts. So, what is the difference between M4 feed ramps and regular ones? I can probably get the upper reciever first. Interesting reading. Thanks. Feed ramps on barrel extensions are a good example. I can assure you that most mods that deviate from the original design aren't 100% reliable. You cannot paste images directly. Konza Defender M-LOK 5.56 16" Rifle 1x7 FEATURES: 16" 4150 Nitride 1x7 5.56 Barrel T-Marked Upper with M4 Feed Ramps Steel Micro Gas Block, and Carbine Length Gas Tube 15" 7075 T6 Aluminum Free Float M-LOK Hand Guard A2 Muzzle Break BCG is an M16 Style Nitride QPQ Finish Charging Handle Mil-Spec 6 Position Mil-Spec Diameter Stock 1 is a standard and the other for use with m4 feed ramp barrels. EDIT: Okay, I understand now! M4 extension with .350 M4 style feed ramps 11 Degree Target Crown Threaded Muzzle 5/8"x24 TPI Weight: 26.5 ounces Questions on how to install your new BA barrel? But, as with anything else, this work can go too far. 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. On AR9's, I understand the distance between the Mag Follower and the Feed Ramp is a known complication in the design. http://www.ar15fornoobs.com/wp-content/uploads/feedramps.jpg. -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! [WTB] Black A1 carry handle upper NON-m4 feed ramp $200 colt A1E1 733 uppers didn't have extended carbine feedramps ? The Bullet ~ Handguns, Rifles and Shotguns, http://thearguys.com/ar-facts/m4-feed-ramps/. 5. Is getting it as part of the upper better? Would not feed to save its life! 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. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. You wrote that much to make a point that should have taken about 100 words? Seems counter intuitive to recommend an M4 cut upper, especially if the barrel Im looking at has the rifle feed ramp (not M4 cut). Modern Series Barrels. Is one better than the other? Little polish. from my service in the 70s to my personal weapons, all of my ARs are early 1970 slab sided Colt SP1s. Shorter length equates to much higher pressure in the upper receiver. I just need a little guidance on this and I'm having trouble getting good results from Google. Figuring Out Feed Ramps | Feed Ramp Tips | The Shooter's Log The M4 ramps, if I am not mistaken, were originally made to help reduce malfunctions on the M4 carbine. AR9 - Help diagnosing feeding issue - Calguns.net To measure just where the round makes impact on the feed ramps, I did not use any sort of micrometer to measure. If a barrel comes with the feed ramps could I take them off? what does it do?? The Mission of Cheaper Than Dirt! This can lead to a rare but odd situation; barrel and receiver mismatch. AAC and anybody else that has any reasonable expectation of quality and reliability use an M4 feed ramp. No need to alter the upper. Your link has been automatically embedded. This is one time it's better to go a little too far than to leave an edge for the . Guess what? AR 15 16" .350 Legend Nitride M4 Profile Barrel 1:16 Description. Anything else you want to share about M4 clones would be appreciated, especially when it comes to a reliable rifle. The closest brand new barrel you are likely to find is the Windham Weaponry 20 inch 1/7 twist chrome lined barrel. A feed ramp is a basic feature of many breech loading cartridge firearm designs. The barrel blanks available are made from 416 Stainless Steel. Full M4 feed ramps start on the upper and continue onto the barrel extension. Your previous content has been restored. Damaged Ak front end Barrel in Trunnion with or without sight bases. I'm assuming that you only need the ramps from one or the other. Which Model Colt 1911 is For Me? CARBON-15 Stripped Lower Receiver 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. 's blog. 410 stainless is also harder and more corrosion resistant than conventional 416 stainless found in other commercially available precision barrels. Now move move the on deck cartridge forward to the 3/8 of inch position and again note the position of the tip of the bullet in relationship to the barrel extension. 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. Its also recommended you polish the ramps once youve achieved the appropriate angle. I guess it depends on what your relationship to the necessary shop activities is. 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! April 23, 2014 in Rifle - Technical. The barrel Throat is the second most critical component after angles and should be polished with utmost care. 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. M4 Feed ramps on barrel extensions are a solid example. In general, all you need to understand is that the M4 feed ramps include the barrel extension and upper receiver. So, an M4 feed ramp includes the barrel extension and the upper. A couple of times I ended up with the OK set up from the picture above. M4-style barrel extension with Rifle-type upper - Rifle - Technical Product Description Surplus Colt 14.5" SOCOM, carbine length gas system barrel from Colt. Everything that you have on your side to make any weapons more reliable and work when it absolutely needs to is a plus. Rear side of a CZ-75B pistol barrel showing the (here dirty) feed ramp. Please be respectful of others. Adding feedramps - M4Carbine.net You have a rifle barrel. Required fields are marked *. You also repeated yourself. Go back to writing school. 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? Polishing the edges of the chamber mouth to remove the edges of that chamfer will. Should not be too hard. May 17, 2008 in The Armorer. Reliability is the main concern for me when I re-barrel this rifle. m4 feed ramps - The Armorer - AR15Armory.com Modify AR15 A2 barrel extension for M4 feed ramp? Making a non M4 feed ramp barrel work in an M4 feed ramp upper. FN AR15 barrels are hammer forged using the same proprietary high-grade Chrome Moly Vanadium steel used in FN's venerable machinegun barrels produced to handle the punishment of . Instead, I just loaded up each mag with two rounds, and pushed the rounds forward by hand until the tip of . Feeds flawlessly. You must log in or register to reply here. And that the M4s and M4A1s are issued M855 which has a slight difference in bullet shape vs. the older 55gr M193 BALL. An older-version (or A2-style) feed ramp is cut only on the barrel extension itself (top). There is a picture of the various options, hopefully another poster can link them. Site towers are not "F" marked SPECS: Length- 14.5". It may not display this or other websites correctly. Reddit and its partners use cookies and similar technologies to provide you with a better experience. What Are M4 Feed Ramps and What Is The Benefit Of It? - Adventure Footstep Using an upper with M4 feed ramps with a barrel that does not have them will lead to feed problems as it creates a ledge/lip that can catch the bullet tip as it tries to feed. so im thinking I might as well just get the unramp upper. The Differences Between an M4 and an AR15 - Music Raiser AR9 - Help diagnosing feeding issue. Seems like it should work to me, but be a real challenge to keep clean and be damned ugly to boot. AR Tech Tip - Checking M4 Ramps for overhang - YouTube Previous. If your mag catch is at Spec height, you should not have a problem with an M4 cut barrel in a rifle receiver. I've seen several places say you just need a 1/8" chainsaw sharpening bit and a Dremel to fix it. 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. *Must have a registered ARFCOM account to win. I'll probably build a pistol out of this one. It is removeable with a special wrench and a barrel clamp/vise. When I function tested it the first time with live half-jacketed rounds I had the worst FTF jam I have ever experienced. 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. 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. This 20" BCM barrel is machined from SS410 stainless steel. The only other time it seems to help is if the mag is feeding the rounds with the bullet slightly angled lower than normal. Barrel FAQs | Ballistic Advantage Feedramps, proper staking of castle nuts, forward assist (yep went there)S-happens seen it. Both. Either way is good and both types work great with semi auto only guns. All comments are held for moderation and will appear after approval. Press J to jump to the feed. I too built a .458 SOCOM carbine . 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. With the increased use of larger-diameter cased cartridges, the M4 feed ramps are proving their values when using them in those cartridges. He had more to say and added some more engineer and gun designer speak too. I checked what I have now. 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. Powered by Invision Community. 30 cal. This has been my concern with modifying the aluminum parts. 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. Come join the discussion about racing, builds, pro mods, hot rods, events, turbos, nitrous, superchargers, and more! Description Genuine 14.5" SOCOM, carbine length gas system barrel from Colt. 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. I didn't forsee that we'd ever see the day when replacement parts would be so hard to get. A forum community dedicated to drag racing drivers and enthusiasts. 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. I can still use the combination. 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. Some barrels I see for sale say they include M4 feed ramps, and some uppers say they include them too.
Golden Retriever National Specialty 2022,
Pictures Of Deformed Rose Buds,
Cheap Houses For Rent In Helena, Mt,
Rightmove Advert Actress 2022,
What To Wear In New Orleans For Guys,
Articles A
