The Magnum Research Switchbolt Rimfire series of rifles are a new design for 2018. This natural evolution of the famous lightweight and accurate MLR rimfire rifles from Magnum Research. The Switchbolt receivers are built in the USA with an integral picatinny rail and are machined from 6061-T6 forgings. The hard coat anodized matte black finish is extremely durable and all chambers features the 22 Bentz configuration for exceptional accuracy. – Magnum Research Switchbolt Semi Auto Rifle SSAT22UT – .22 Long Rifle – 18 ULTRA Aluminum Tensioned Barrel with Threaded Muzzle – Unique Gas-Assisted Blowback Operation – Integral Scope Base – Ambidextrous Thumbhole Stock – Sling Swivel Studs – Overall Length 35-1/8 – Overall Weight 4.5lbs (4.65lbs with Magazine) – Matte Black Finish