5 QD (Quick Detach) Anti-Rotate Swivel Ports.

DROP-IN, 2 piece design, mounts just like factory hand guards.

The 5 QD (quick detach) anti-rotate swivel ports that are located 2 per side, front and rear and 1 at the bottom front, prevent 360 degree rotation of the sling, for non-binding and twisting. These precision rails enable consistent 'repeat zero' of any accurately dimensioned devices attached to them. Machined to military specification hard-anodized aluminum, they're stronger, dissipate heat much better and provide rock-solid weapon fit. This Geissele free-float rail is a high-quality addition to your AR-15.The BATTLE STEEL carbine railed forend is a high-quality 2-piece Picatinny forend for the AR/M4-type carbines that replaces the weapon's stock forend allowing the user to mount a variety of accessories. If you acquire all of the tools necessary to install a free-float rail system, you also have all of the tools necessary to build your own upper from scratch.īe prepared to have all of your shooting buddies bring you their rifles to install their rail systems. Tools required to install a free-float system include: This would be a great time to replace any part of your upper assembly like the barrel, flash suppressor, gas block and front sight since you would be removing everything. You will usually need to remove the flash suppressor, front-sight post or gas block, gas tube, delta-ring assembly and barrel nut.

They are usually one complete piece that mounts to a replacement barrel nut.

The new rails are a direct replacement for the plastic handguards.įree-float rail systems require more work. You need three hands, a friend or a handguard-removal tool such as Promag’s AR-15 and M16 forearm removal tool. Sounds easy, but the spring behind the delta ring is strong. Remove the plastic handguards by pushing the delta ring towards the receiver.

Install quad rail handguards carbine