http://www.kel-tec.com/plr16.html
TECHNICAL SPECIFICATIONS
Calibers : .22 rem 5.56mm NATO
Weight unloaded (no magazine ): 51 oz 1450g
Length : 18.5" 470mm
Barrel Length : 9.2" 234mm
Sight Radius : 12.5" 318mm
Muzzle Velocity (M193): 2600fps 800 m/s
Magazine Capacity : 10 rounds, or M-16 compatible
Safety : Ambidextrous Pushbolt