Forum: 300 Whisper Rifles and Pistols
12-17-2005, 05:34 PM
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Replies: 1
Views: 1,733
221/300 Fireball build
If you are planning to use the barrel as 16" length, you may or may not move the gas port.(As a rule of tumble, as far out as possible)
My M1S is working ok as is. Your`s may not.
If you shorten it...
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