Patriot Ordnance latest generation of handguards does away with the difficult decision between our previous integrated rail models. First was the fully railed tactical design, known as the T-rail. Next was the sleeker hunter/sniper design that allowed better use of larger objective scopes, this was known as the H-rail. Our latest modular handguard, known as the M-rail, allows you to have both! This allows you to keep your handguard slim and light weight or you can customize the sections on your handguard for any additional accessories.