【Durable but Lightweight Material】: 13-Slots Weight 1.42Oz, 11-Slots 1.12Oz, 9-Slots 0.90Oz, 7-Slots 0.78Oz, 5-Slots 0.56Oz, 3-Slots 0.32Oz, Not only Offer durable safe but also lightweight performance in the field.【Premium Aircraft Aluminum】: Precision machined out of solid structure aircraft aluminum alloy and high strength steel in black matte coating anodizing finish with shiney.【Multi-size Rail Pack】: Pack Of 13-slots, 11-slots, 9-slots, 7-slots, 5-slots, 3-slots picatinny rails, 13 sets matched screws, 13 sets locking T-nuts included a couple extra screw and T-nuts set and 6 Pcs Allen Wrench, perfect for customizing shooting!.Such as flashlights, iron sight, red green dot sights,or other more tactical accessories. 【Wide Compatibility】: Our Keymod picatinny rails with standrant specification allowing you add on any standard 21mm Picatinny accessories.As adoption rate increases, the availability and price on these accessories is improving day by day. A wide assortment of fore grips, bipods, flashlight and optics mounts, and other accessories specifically for use with KeyMod have hit the market. Introduced as open industry standard in 2012, the KeyMod system has quickly gained favor among firearm enthusiasts. Short, modular Picatinny rail sections or accessories designed for use with KeyMod systems can then be attached only where needed. As a result, KeyMod handguard systems tend to be slimmer, lighter, and more ergonomic.

However, instead of four bulky full length MIL-STD-1913 Picatinny rails that run the length of the rail, the handguard has rows of KeyMod slot holes. On the AR-15, the KeyMod handguard installs on the fore end of the rifle in the same manner as a traditional free float quad rail hand guard. The KeyMod rail system is modular in design, with rails and accessories that can be removed or attached at specific attachment points as needed. KeyMod is a recently introduced standardized rail system, formally released in 2012, for attaching accessories to your rifle or AR-15.

If you follow the AR-15 market or have spent anytime shopping for a new AR rails or accessories recently, you have no doubt seen the term 'KeyMod' being thrown around a lot lately.

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