Description

This adapter is a conversion done using a Griffin Gate-Lok blast shield.   It is 1.125-28 Alpha thread compatible.

Protrusion into tube is .675″, adapter weight is 4.6 ounces.  Protrusion ahead of threads is .99″ diameter to fit inside of BPSITIN pattern booster housings.

Gate-Lok may not fit all A2 style muzzle devices; ensure that your muzzle device has 5.56mm flash hider rear notch dimensions and an OD not larger than .8610″

THIS ADAPTER WAS A CONVERSION PIECE PROTOTYPE.  IT IS NOT A PRODUCTION ITEM AND WILL NOT BE RESTOCKED.