MAGNUM LITE®receivers are CNC machined from a 6061-T6 aircraft aluminum forging and include an integral Weaver type rail for optics. The bolts are manufactured and machined from heat treated 4140 steel with tight bolt face depth tolerances for better accuracy. The MLR22ATU measures 36-1/8 in length and weighs just 4 lbs. 8 oz. Barrel length is 18. Features include 1 in 16 twist, Bentz chamber, ambidextrous thumbhole stock design with a comb designed for scope use, integral Weaver type scope mount base on the receiver, extended magazine release, swivel studs and checkering on the palm swell grip. The length of pull is 13-5/8. The barrel is black anodized aluminum and has stainless steel breech and muzzle caps. The rifle utilizes the 10/22® trigger group and 10/22® rotary magazines.