superlative arms
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Interesting variance in gas port size
Semi long post, but good info to share in my opinion) So I recently finished building my 300Blackout SBR (10.5" Faxon Gunner-profile barrel with pistol length gas). First time at the range to dial in the adjustable gas block (Aero Precision), using 100gr A-Max Hornady (had a few boxes I...- USK308
- Thread
- 300 aac 300 blackout adjustable gas block aero precision rosco manufacturing sbr superlative arms
- Replies: 18
- Forum: Semi-Automatic Rifles
