AR15/M4 16" BARREL Low profile gas block

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New Bushmaster 1-9 twist 5.56 NATO Chrome Bore Low profile gas block 16 inch 

Original new Remington AR15 M4 Barrel with 1 in 9 twist in 5.56mm, low gas block profile w/bayonet lug & phosphate coated.


1 Review

  • 5
    Excellent accuracy on my M4 build!

    Posted by Belden Dampf on Nov 8th 2021

    Shooting both 55 and 60 grain projectiles I have won matches with this barrel.