Troy Gas Block- .875
$50.99
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Troy Gas Block- .875
$50.99
Troy?s .875 Low Profile Gas Block is made specifically for bull barrel rifles that have a 0.875 gas block seat and Armalite 0.308 heavy barrel and other calibers. Machined from 4140 pre-hardened steel finished with MIL-STD Manganese Phosphate. Gas tube roll pin not included.