Bravo

-KMR -13"-Black -KeyMod Free Float Handguard-Manufactured from an exclusive blended aluminum and magnesium alloy, it weighs 30-40% less than aluminum with the same strength properties.- 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 5.5 oz-1.3" Inner Diameter-1.5" OUTSIDE flat to flat-Handguard flares forward (towards muzzle end) at the 3 and 9 O'Clock positions approximately 1/4"-Actual length when measured to flare is 13.4"-Mounting hardware, 2.2 oz, for a total of 7.7 oz on a very long 13" rail.-The BCM KMR also allows for a larger range of modularity offering 4 different offset mounting positions between traditional 3,6,9, and 12:00 positions.NOTE: NYLON/POLYMER PICATINNY RAIL SECTIONS ARE FOR NON-LOAD BEARING ACCESSORIES ONLY. ALUMINUM PICATINNY RAIL SECTIONS RECOMMENDED FOR LOAD BEARING. DO NOT EXCEED 20 IN/LBS WHEN SECURING KEYMOD FASTENERS ON POLYMER ACCESSORIES. ALUMINUM PICATINNY RAIL SECTIONS MAY BE TORQUED TO 30 IN/LBS