adding m4 feed ramps to barrel

Your link has been automatically embedded. 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. The Bullet ~ Handguns, Rifles and Shotguns, http://thearguys.com/ar-facts/m4-feed-ramps/. 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. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Add 3% to the total cost for credit card purchases. DSA has fat top, Mueller, non feed ramp uppers for $40. 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. Go slow and you'll be done in no time. Create an account to follow your favorite communities and start taking part in conversations. All uppers are assembled cleaned and tested before shipping. It's best to use rifle/rifle combo or M4/M4. 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. The M-16/M4 are great weapons. We have four combinations here: 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? 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 Figuring Out Feed Ramps | Feed Ramp Tips | The Shooter's Log I just need a little guidance on this and I'm having trouble getting good results from Google. Our 6mm ARC barrel come standard with 1-7.5 Twist, M4 Feed Ramps and gas tube. Looking For Bear Creek Arsenal Barrels Review? I'm assuming that you only need the ramps from one or the other. The best case is to have both an upper and barrel that have the feed ramps. Avoid Polishing Too Lightly Or Too Roughly Share it in the comments section. Notify me of follow-up comments by email. instead of mil-spec. 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. -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! Is one better than the other? I will attest that a rifle upper and a barrel with the M4 feedramps works just fine. I would only add the feed ramps to the receiver if I had feeding issues, which you should not have. 410 stainless is also harder and more corrosion resistant than conventional 416 stainless found in other commercially available precision barrels. On AR9's, I understand the distance between the Mag Follower and the Feed Ramp is a known complication in the design. Copyright 1996-2023 AR15.COM LLC. How to Clone the M16A2 Rifle - The New Rifleman The only one I found is LaRue's upper, but it won't work with the hand guard I'm using (Geissele MKIII). Cutting M4 feed ramps - Calguns.net 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. The barrels also had to be modified. The barrel is supposed to have the M4 feed ramps. Anodized red parts. I can probably get the upper reciever first. 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. Create Account; Log Out ; Log In ; Wishlist 0; Shopping Cart 0; Home; About One new winner* is announced every week! Load a magazine with two or three rounds, lock the bolt group back on your rifle or carbine and insert the magazine. It may not display this or other websites correctly. hey bro nice to see you here!!! M4 barrel to non M4 receiver is fine, but not the other way around. We reserve the right to edit as appropriate, delete profane, harassing, abusive and spam comments or posts, and block repeat offenders. For the purposes of this chapter, we'll call the new one the M4, and the old one the AR. That's an important thing since without the feed ramps, issues can arise when receivers and barrel extensions are mismatched. Absolutely nothing to do with casing diameter, or whatever other weird sht you guys imagine. Metal cases ammunition such as Wolf through an M4 clone? How to Polish a Feedramp Quick and Easy | Firearms Talk Will my A3 upper reciever work with my M4 barrel extention.According to some or your posts they will.Thanks Bill. 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. They were not intended to be super long range man killers. 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). Feedramps, proper staking of castle nuts, forward assist (yep went there)S-happens seen it. Little polish. Required fields are marked *. The angle is going to be key, alot of people attempt to mimic the angle of the barrel feed ramps, this is incorrect. The rifle-platform M16s dont use them. P2A PATRIOT 22" 223 Wylde 1/7 Rifle Length Melonite Fluted Heavy Bull Then you can get a regular rifle barrel for the upper with no ramps. 30 cal. 2. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 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. EDIT: Okay, I understand now! How long your barrel "lasts" depends on what your accuracy threshold is before you decide it is too bad to keep using. http://www.ar15fornoobs.com/wp-content/uploads/feedramps.jpg. It has ran flawlessly (barring tuning of the gasblock when new) with several different brands of magazines and ammo. I'll probably build a pistol out of this one. Thread: Adding M4 feedramps to A1/C7 upper. This is one time it's better to go a little too far than to leave an edge for the . Sent back again. RTS Bartlein: 6mm ARC 26" - Compass Lake Engineering, LLC What's the difference? I think your mistaking that with adding ramps to the receiver. Insert the barrel and sharpie the cut area, then use the right bit on a dremel. 308 m5 using m4 feed ramps, which I belive are for the smaller round like. We want you, our readers, to be able to make informed decisions. 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. While I've got everything apart, I'm thinking I just want to put an M4 barrel extension on. The rifle receiver, doesn't have ramps on the receiver, they are only cut into the barrel. The rifle receiver, doesn't have ramps on the receiver, they are only cut into the barrel. I can assure you that most mods that deviate from the original design aren't 100% reliable. The good idea is that the round, presented at a lower plane, will contact other lower feed ramps and go right on in. Rifles, Uppers, Lowers, Barrels, and more, [ARCHIVED THREAD] - Rifle vs m4 feed ramps, http://i135.photobucket.com/albums/q125/PursuitSS/Postings%20photos/c0d26170b75c3e6f9ea65a7d0862247e.jpg. AR15 20 inch Upper Receiver Group (SS) w/ Handguard | BCM As suggested, its best to match the upper and barrel extension no worries that way. 16" Pre-Ban M4 Profile Barrel Assembly CARBINE Gas System About Upper assembly comes completely head spaced and test fired. America's Ultimate Shooting Sports Discounter, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window). Its not a big deal but still an important thing to remember and understand. 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 Not saying a really good gunsmith cant do it, just that theres a bit of an involved process. You must log in or register to reply here. M4 Feed ramps on barrel extensions are a solid example. A4 Complete Upper Receiver. An older-version (or A2-style) feed ramp is cut only on the barrel extension itself (top). JavaScript is disabled. 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. Press question mark to learn the rest of the keyboard shortcuts. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. FN AR-15 5.56X45mm Nato 14.70" M4 Profile Barrel Carbine Length Gas M4 feed ramps are not an original design, they were designed for the M4 In fact, the . So, lets glide down these lines below to erase your misconceptions about them. Any use of this content without express written consent is prohibited. what does it do?? Instead, I just loaded up each mag with two rounds, and pushed the rounds forward by hand until the tip of . what I fear the most is having an m4 ramp upper and then getting a barrel with a rifle ramp. There's a 7 degree difference between standard and M4 ramps. Brevity matters. However Ive built numerous ar15 and lr308 rifles and pistols. And that the M4s and M4A1s are issued M855 which has a slight difference in bullet shape vs. the older 55gr M193 BALL. The M4 ramps, if I am not mistaken, were originally made to help reduce malfunctions on the M4 carbine. This 20" BCM barrel is machined from SS410 stainless steel. In case My barrel is rifle ramp it won't be so bad after all. Product Description Surplus Colt 14.5" SOCOM, carbine length gas system barrel from Colt. You also repeated yourself. Does it make a big difference? It's an interesting question. These units actually feature the NON-F-Marked (correct) front sight base. You cannot paste images directly. Feeds flawlessly. Should M4 feed ramps come with the barrel or upper? : r/ar15 - reddit The tip of the cartridge rarely comes into contact with the upper receiver. 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. Remember less is more, little by little. 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. This has been my concern with modifying the aluminum parts. I notice that's a Gibbz (or Gibbz-type) upper. 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. Some gun owners believe that the M4 ramps can help for some of the larger-diameter cartridges in use. I have seen it done many, MANY times and if done right, it works/functions 100% without issue. The parts are interchangeable. If I have a rifle ramp upper and get the barrel later and coincidentally will have an m4 ramp. [ARCHIVED THREAD] - M4 feed ramp barrel in a non M4 ramp upper. So, an M4 feed ramp includes the barrel extension and the upper. This space is for pictures of "retro" Stoner rifles and completed or partial retro AR-15 builds, as well as discussions about either. The M4 Style Feed ramps And Barrel Extension Provide Consistent Feeding And The Matte Black Manganese Phosphate Finish resists External Corrosion And OxidationLength: 14.70"Model: AR-15Finish: Manganese PhosphateBarrel Type: Carbine LengthBarrel Features: Chrome-LinedManufacturer: FN Mfg Number: 20-100405Model: AR-15 . Married pretty well with my Seekins machined lower. 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. This includes M4 feed ramps, barrel nut, front sight tower and sight post, and -28 threads for a muzzle device.