The Adler Arms RF-224 TAC rifle features an 11.7" threaded barrel, with M-LOK handguard.  It uses an AR Mil-Spec buffer tube and stock, AR pistol grip, and comes with a set of flip-up sights.  Included in the box are two (2) Ruger 10/22 BX-1 magazines as well as a Remington 597 magazine adapter.