With a reputation that proceeds itself the Knights Armament RAS handguard line is well known for its rugged and dependable free float design. Specification unique to each handguard are as follows: 100-027-603 PN 20208 For carbine length gas systems Approximate length: 6.19" Approximate weight: 0.93lbs 100-027-604 PN 20211 Dubbed the ‘Too Long’ this handguard is 13/16" longer than the carbine length handguard and requires the use of a low-profile gas block Approximate length: 7.61" Approximate weight: 1.06lbs 100-027-605 PN 20214 For mid-length gas systems Approximate l Mfg: Knights Armament
