Geissele Automatics, MK4, Super Modular Rail, Handguard, 10.5", M-LOK, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included, Black, UPC# 810081130097
Expect delays on all purchases.
Delays on all online purchases.
Sameday pickup on in stock items. CALL FIRST!
Expect some delay on all orders.