Build a lighter, cleaner-feeling carbine with the BATTLEARMS WORKHORSE® 13in Free Float Rail M-LOK®. Designed for MIL-SPEC carbines, this slimline handguard combines practical accessory mounting with a weight-conscious profile, creating a streamlined platform without unnecessary bulk. Its free-float design and durable aluminum construction make it a versatile option for compatible builds.
At 13 inches long, the WORKHORSE® provides M-LOK® mounting positions at the 3, 6, and 9 o’clock locations, plus skeletonized sections that reduce material where mounting slots are not needed. A 1913 MIL-SPEC Picatinny rail runs along the 12 o’clock position, with a notched profile designed to complement BATTLEARMS upper receivers and trim excess weight. Type 3 black hardcoat anodize adds a durable finish for a purposeful blend of function and clean styling.
- 13-inch free-float rail designed for MIL-SPEC carbines.
- M-LOK® mounting interface at the 3, 6, and 9 o’clock positions.
- 1913 MIL-SPEC Picatinny rail at 12 o’clock, notch-cut to match BATTLEARMS upper receivers.
- Skeletonized sections help reduce weight where M-LOK® is not used.
- 6061-T6 aluminum with Type 3 black hardcoat anodized finish.
- 7.5 oz without barrel nut; 9.6 oz with barrel nut.
- 1.36-inch internal diameter; 13-inch overall length.
- Part number BAD-WH13-MLOK; UPC 810033784620.
Choose the WORKHORSE® 13in M-LOK® rail for a purpose-built handguard that keeps essential mounting options close at hand and weight in check. Whether refreshing a compatible carbine or planning a new build, this BATTLEARMS free-float rail delivers a sleek, adaptable foundation with carefully considered details and a hardwearing finish for dependable use.