The BCM KMR Alpha is a 7.39-inch KeyMod free-floating handguard engineered for AR-15 platforms. Constructed from aluminum with a hardcoat anodized finish, it is designed to offer modular accessory options while minimizing weight. The KMR interface provides multiple offset mounting positions that work alongside standard Picatinny placement. This model ships with a BCM KeyMod sling mount and mounting hardware.
Key Specifications
- The handguard is constructed from aluminum alloy.
- The finished length measures 7.39 inches when measured to the flare.
- The surface is finished with hardcoat anodizing for corrosion resistance and a non-reflective appearance.
- The component is a free-floating handguard designed to isolate the barrel from accessory loads.
- The handguard alone weighs 4.5 oz.
- The inner diameter measures 1.3 inches.
- The outside flat-to-flat dimension measures 1.5 inches.
- The system offers 4 offset mounting positions between the traditional 3, 6, 9 and 12 o’clock locations.
- The KMR barrel nut is designed to fit over mil-spec barrels up to 1 inch in diameter.
- Includes a BCM KeyMod sling mount and required mounting hardware (hardware weight listed as 2.4 oz in manufacturer data).
Lightweight, modular, and finished for durability, the KMR Alpha handguard streamlines accessory placement without adding unnecessary bulk. Its KeyMod interface and four offset positions give builders flexible attachment options while the free-float design helps maintain consistent barrel harmonics. For users seeking a low-profile, corrosion-resistant handguard for AR-15 builds, the BCM KMR Alpha balances minimal weight with practical modularity.
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