CMMG 55DA3AC Low-Profile Chrome Moly Steel .625" Low profile gas block, includes installation screws. Made of 4140 moly chrome. Replace your A2 site with this gas block or add a free float rail system to cover your gas block.
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CMMG 55DA3AC Low-Profile Chrome Moly Steel .625" Low profile gas block, includes installation screws. Made of 4140 moly chrome. Replace your A2 site with this gas block or add a free float rail system to cover your gas block.