Introduced 2009. AR-style semi-automatic chambered in 5.56 NATO. Features include two-stage piston; quad rail hand guard; Troy Industries sights; black synthetic fixed or telescoping buttstock; 16.12" 1:9 steel barrel with birdcage; 10- or 30-round detachable box magazine; black matte finish overall. The 6.8 PPC was added in 2010, but discontinued after one year. Discontinued 2016. In 2019, only the Takedown model 5924 was still listed on the company website. Replaceable barrel kits chambered in .300 AAC Blackout (90455) are available on ShopRuger.com, $450.

Barrel is removed from the upper receiver by moving the slider bar towards the breech, rotating the barrel and pulling it free (no tools required).

Same basic AR-style design of SR-556, but modified to handle 7.62 NATO (.308 Win.) cartridge.

AR-style semi-automatic rifle. Chambered in .22 LR, based on 10/22 action. Features include all-aluminum chassis replicating AR-platform dimensions between sighting plane; buttstock height and grip; Picatinny rail optic mount includes 6-position telescoping M4-style buttstock (on Mil-Spec diameter tube); Hogue Monogrip pistol-grip; buttstocks and grips interchangeable with any AR-style compatible option; round mid-length hand guard mounted on a standard-thread AR-style barrel nut; precision-rifled cold hammer forged 16.125" alloy steel barrel capped with an SR-556/Mini-14 flash suppressor.