M Mike K CGN Ultra frequent flyer Rating - 100% 34 0 0 Location Lower Mainland, B.C. Nov 26, 2010 #81 ESQ said: On a standard upper, the gas tube roll pin is easy to see. Is it hidden from casual view on an MRP? Click to expand... It has a low profile gas block that is covered by the handguard.
ESQ said: On a standard upper, the gas tube roll pin is easy to see. Is it hidden from casual view on an MRP? Click to expand... It has a low profile gas block that is covered by the handguard.
