I bought a new upper with bcg for my M&P. It was a Radical Firearms upper.
18" 416-R Stainless Steel Hand Lapped Match Grade barrel, with Rifle Length gas system.
1/2x28 Thread Pitch, with a 1:8 Twist Rate
Melonite M16 cut, Full Auto Bolt Carrier Group, HPT and MPI.
Ships with Radical Firearms Zero Impulse 3-Port Muzzle Brake
15" free float Radical Firearms M-LOK FCR rail.
It's a nice upper. I'm shooting 1-1.5 MOA with good ammo. I think it is capable of better accuracy but any shortcomings is shooter related.
The nice thing is that I still have my M&P upper with a nice red dot on it. It's zeroed for short distances.
Last edited by wylie won; 08-22-2017 at 10:16 PM.
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