BBA APFG XM7 Steel Outer Barrel Set hammer spring It also has an anti-reflective

It also has an anti-reflective coating to enhance the light transmission and to reduce glare

Lets cut to the chase

Works perfectly with the GSI mcx hop arm

delivering reliable alignment and improved performance

BBA APFG XM7 Steel Outer Barrel Set hammer spring It also has an anti-reflectiveWARNING PREORDER NOW EARLY AUGUST DELIVERY A drop in steel replacement which greatly increases strength of the outer barrel. A relatively common issue on the APFG XM7 is snapping the outer barrel threads which is due to the poor quality zinc outer barrel and gas block piece. Gas block parts will need to be transferred over from the original APFG unit. Includes: Steel outer barrel and gas block M3*8mm Torx screw for the underside of the gas block (APFG