300 Whisper SBR AR

[gotgraham]

Originally Posted by este

That looks great. Almost exactly how I want mine to be set up.

What twist is the barrel and what do you plan on shooting through it ?

It's a 1-8" twist barrel. I am current shooting 190gr prvi projectiles through it. It seems to be a pretty decent package.

Is that a pistol gas setup?

Yessir

[interceptor]

Making any progress...? I'm interested because mine is almost identical, except 1" longer barrel. But, I'm having some ammo issues at the moment. Using 147gn Winchesters over 8.4gn or 2400 this weekend, will eject but not load new round off mag. Using lightened buffer, still no go.

Frustrating to say the least. Tonight I will dissassemble and check to make sure the gas block is lined up directly over gas port.

[Medic650]

I assembled this SBR upper with a barrel purchased from Spook. Test fired today and it ran great. It's looking like it may actually be more accurate than my SSK upper with 220 SMKs. Barrel is high quality and Spook was good to deal with. :-)