The 9KT model features an M-LOK compatible aluminum handguard with attached finger guard. The nitride treated 5.16� 3-lug barrel is threaded to 1/2 x 28. Both a push button and paddle magazine release are standard. The 2.55� precision-welded top rail enables use of compact optics or the traditional iron sights (included). The aluminum end cap features a removable QD sling mount with attachable M1913 rail stock adapter. The gun ships in a heavy duty range case with: single point bungee sling two 30-round magazines and rear sight adjustment tool. - OAL: 13.38 - Barrel: 5.16 - Weight: 4.8 lbs - Operating Systems: Rolller-delayed blowback - Caliber: 9 x 19 - Action: SEMI-AUTOMATIC (NFA-REGISTERED FULL AUTO SEAR PACK READY) - Twist: 1/10 - Trigger Pull: 4.8 lbs. - Magazine: 30 round - MIL-SPEC ANODIZED ALUMINUM M-LOK COMPATIBLE HG WITH FINGER GUARD - 5.16� NITRIDE TREATED 3-LUG � X 28 THREADED BARREL - 2.55� STEEL TOP RAIL FOR COMPACT OPTIC MOUNTING - PADDLE STYLE AND PUSH BUTTON MAGAZINE RELEASES - MIL-SPEC ANODIZED ALUMINUM END CAP WITH QD D RING OR REAR RAIL OPTIONS