OSS Helix

[Adrenaline19]

Giving a 2 thumbs up.
Works great on .223 and 300 BLK.
Will give an update/review when it comes time to clean.

[Pappabear]

I've shot a friends with 300BO, very impressive

PB

[Adrenaline19]

Definitely a smile maker ! ! !
And daughter is liking the suppressed/sub 300BLK SBR feel.