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1/25/2018 7:38:29 AM
Posted: 11/12/2003 5:18:02 AM EST
Does anyone have one or know of anyone who makes them? Are std GI mags usable w/ this caliber? AP
Link Posted: 11/12/2003 8:09:47 AM EST
I built one in 17 Mach IV last month. That is the same case as the 221 FireBall, just necked down to 17 caliber. It runs fine from a standard magazine. I could do one in 221FB. Would just need to get the chamber reamer. Tony Rumore Tromix Corp
Link Posted: 11/12/2003 8:32:23 AM EST
Link Posted: 11/12/2003 8:34:10 AM EST
How long is your bbl and did you experience any feeding problems? I was thinking serious about building a 221 FT upper. AP
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