Additional information
| Uniset U1000 - XL101 Boss 300 | 1 – Receiver, 2 – Barrel, 3 – Breech Block, 4 – Firing Pin, 5 – Nosepiece, 6 – Piston Reset Pin, 7 – Reset Pin Cap, 8 – Trigger, 9 – Sear Pin, 10 – Trigger Spring Cap, 11 – Piston W/Ring, 12 – Firing Pin Collar, 13 – Buffer, 14 – Handle, 15 – Firing Pin Spring, 16 – Reset Pin Spring, 17 – Sear Pin Spring, 18 – Trigger Return Spring, 19 – Firing Mech Spring, 20 – Piston Ring, 21 – Trigger Hinge Pin, 22 – Handle Bolt, 23 – Spall Guard |
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