Geissele Super Gas Block .750
$59.99
Standard Super Gas Block – The bore of the SGB is machined to closely fit around .750†diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
Standard Super Gas Block – The bore of the SGB is machined to closely fit around .750” diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
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