AR Sponsor
Posted: 2/10/2015 1:33:18 AM EDT
| I'm building my first 300bo upper and I was wondering if any one has had any problems with getting them to function. |
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Quoted:
300 Blackout is not a rimfire or pistol caliber. Maybe you should post in another section or have the mods move this. OP try here: AR Variants Also you should probably share some specs of what you are planning to build. I have an 8.5" 300BO and I had to enlarge the gas port a little to get it to function with subs reliably but it eats supers (well and now subs since the mod). |
AR Sponsor