High Tower Armory 90/22 is a compact, maneuverable stock kit for the RugerA(R) 10/22A(R) which utilizes a bullpup design for superior balance and ergonomics. This incredibly durable, polymer stock will reduce the overall length of most 10/22A(R)'s to about 26 1/2 inches, just over the federally required minimum length for rifles. The HTA 90/22 also features a CNC machined monolithic aluminum Picatinny optics rail and aluminum bedding block, as well as an ambidextrous steel charging handle which cycles the factory 10/22A(R) bolt from forward positions. The HTA 90/22 trigger linkage is made of Melonite treated steel for the most consistent and efficient transfer of energy, having Mfg: High Tower Armory SPECS: Fits - RugerA(R) 10/22A(R) rifles with a 18" barrel. Construction - Fiber reinforced polymer. 6061 aluminum optics rail and bedding block. Steel charging handle with melonite finish. Steel trigger linkage with melonite finish. Length - 21.5" long w