The Rock River RUK-15 pistol features a forged RRA LAR-15 lower receiver; forged A4 upper receiver; low profile gas block, RRA NSP flip-up front and rear sights and RRA lightweight aluminum free floating, 4.25" pistol length, M-LOK compatible handguard. Includes Low Pro M-LOK compatible handstop and magazine.
|Grips||Black Hogue Rubber|
|Sights||Flip Up Front & Rear|
|Barrel Length Range||4" to 4.99"|
Determined at checkout.