DonnyFL Hatsan QE 1/2 x 20 Adapter
30 caliber.DonnyFL Hatsan QE 1/2 x 20 UNF Adapter CNC-machined matte black anodized 6061 T6 aluminum alloy Knurled diamond pattern on sides of adapter and cap 1/2 x 20 UNF threads Not compatible with Hatsan Semi/Full Auto PCP Rifles Works with Hatsan Gladius, Flash Wood QE, AirMax, BullBoss QE, BT65 QE, Nova QE, AT44-10 QE, Hercules QE, FlashPup QE, AT P1, Flash QE Compatible up to .