2021年7月26日 · BCM's free-float 7inch KeyMod handguard; manufactured from aluminum, it is lightweight yet durable. Designed for pistol or carbine-length ARs.

BCM­® KeyMod™ Rail Cover Kit, 5.5-inch FLAT DARK EARTH *** (FIVE Pack!)***

KMR护手为BCM推出的全金属浮置式护手，在用料和加工技术上都与MCMR护手相同。 不同于MCMR，KMR的接口换成了KeyMod系统，可加装与KeyMod相匹配的配件和导轨。

For enhanced customization options, the Bravo Company 10in BCM KMR Alpha Keymod Handguard offers 4 separate offset mounting positions for accessories at the 3, 6, 9, and 12 o'clock positions, letting you add optics, lasers, and other basic attachments for the ultimate rifle.

2021年10月3日 · Continuous taper barrel profile designed for optimal weight, balance, and performance. Tapered barrel profile out front, for easier maneuverability. No sharp handguard cap shoulder for improved barrel harmonics and improved accuracy. Muzzle threaded in standard 30 cal (5/8x24). KMR-A5 KeyMod™ Handguard.

BCM KMR KeyMod Free Float Handguard *ALPHA* - 7". Manufactured from aluminum, it is lightweight yet durable. Also featuring a proprietary patent pending mounting, indexing and lock up system that mitigates 12:00 rail movement under heat generated from

Bravo Company’s machined aluminum BCM KMR Alpha Handguard free-floats the barrel for better accuracy potential while it provides plenty of KeyMod™ slots for add-on rail segments and accessories. Built-in Picatinny top rail is supplemented by KeyMod™ slots at - and between - the 3, 6 and 9 o'clock positions. Fits standard AR-15 upper receiver

All the advantages and features of Bravo Company’s KeyMod™ Rail, now available in 100% aluminum. Manufactured from aluminum, it is lightweight yet durable. Also featuring a proprietary patent pending mounting, indexing and lock up system that mitigates 12:00 rail movement under heat generated from the barrel nut. Handguard alone weighs 5.2oz.

Designed to be used with pistol length, carbine length, mid length, or Mil-Spec M16 rifle length gas systems; all with a low profile gas block. The barrel nut will fit over all mil-spec diameter barrels (max of 1")

Mounting hardware, 2.2oz, for a total of 7.4 oz on a 7" rail. The KMR Alpha is hardcoat anodized for corrosion resistance as well as to maintain a non-reflective finish. The KeyMod™ interface system was developed by Eric Kincel (now the Director of BCMs' product development team) to work in parallel with the current picatinny system.