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20" 5.56/.223 SPIRAL FLUTED CHROME MOLY (4140) BARREL, NON CHROME LINED, HEAVY PROFILE, M4 FEED RAMPS, MID LENGTH GAS SYSTEM THREADED AT 1/2"X28
1 IN 9 TWIST
- Item #: (b)20SP
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20" 5.56/.223 SPIRAL FLUTED CHROME MOLY (4140) BARREL, NON CHROME LINED, HEAVY PROFILE, M4 FEED RAMPS, MID LENGTH GAS SYSTEM THREADED AT 1/2"X28
1 IN 9 TWIST