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The KelTec SUB2000 Gen 3 Carbine in 5.7 is 30.45 inches when fully extended and ready to go. We added the 2 MOA Aimpoint Patrol Rifle Optic on a QRP2 mount. Weight, so equipped, is just 4.86 pounds.
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Weapons, Wars, Preparation and Security from a recovering gun nut turned bad writer