Forum: 300 Whisper Rifles and Pistols
10-08-2010, 11:15 AM
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Replies: 10
Views: 2,805
What size gas port should I drill?
I have a project in the works and need a little advise. I have a M1S 300 Fireball kit that I've been working on. I've chopped the barrel down to 10 inches and am building an integral suppressor...
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