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GM-M18 18" 223 WYLDE chamber


Product Description

223 WYLDE, 1:8 twist, 18" long, 416R stainless steel, weighs 2.1 lbs., honed, Fluted, passivated, bead blasted matte finish, Nickel Boron extension with M4 feed ramps, and has a rifle length gas block. button rifled, air gauged, stress relieved.

Barrel is not pinned for front site. 

Under "See 2 more pictures" there is a detailed drawing of this barrel. 

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Product Reviews

Showing reviews 1-5 of 109 | Next

  1. My 'go to' barrel on any request build even though I Never give a top score to anything 4 Star Review

    Posted by on 2nd Mar 2020

    Have personally put together 9 uppers, 5 with this barrel and the other 4 with the M-37 barrel. All consistently shoot (I target them prior to delivery) 1 MOA or less with 62/75 grain handloads duplicating MK 262 and MK 318 ammo.

  2. Best 223 barrel I have 5 Star Review

    Posted by on 7th Feb 2020

    The accuracy has not changed after 500+ rounds, love the sub 1 MOA at 100 yds. Beautiful barrel w/ Attention to details. I will buy another for the next build.

  3. third gm barrel 5 Star Review

    Posted by on 16th Dec 2019

    Only have 40 rounds through it but it is looking good. This is my third gm barrel. I would not have 3 of anything if i was not happy with it try one you will be very happy

  4. Top Notch Barrel 5 Star Review

    Posted by on 6th Aug 2019

    I am very impressed with this barrel. Extremely accurate with a variety of factory ammo. This is in fact a real tack driver.
    I used a lead sled to sight in a Leopold scope at 50 yards to start and after 5 shots I thought I was missing the target. On a lark I set up at 100 yards and the spotting scope revealed the truth. I had a less than .5 inch group. Very happy with this barrel and will definitely buy more. The rifle sells the barrel all by itself. I had several inquires while sighting it in. So many I began to feel pestered a bit. WELL DONE G.M.

  5. outstanding accuracy 5 Star Review

    Posted by on 10th Jul 2019

    Outstanding barrel great fit and finish and more accurate than i can shoot.

Showing reviews 1-5 of 109 | Next

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