B&T GHM9 9mm, 6.90″ Barrel, Black, Ambi Controls, OEM Mag, 30rd The GHM9 Gen 2 provides greater flexibility and modularity to the operator. The GHM9 Gen 2 accepts all APC9 PRO lower receivers, and allows the operator to change out barrels, handguards, and stocks. Accessories : 1 Mag Action : Semi-automatic Barrel Length : 6 [...]