
SIG SAUER M400 SDI 10 Inch M-LOK Free-Float Handguard
10" M-LOK free-float handguard for SIG M400 SDI/TREAD and compatible AR-15 builds, with aluminum body, top rail, barrel nut, clamps, and screws.
Collection
AR platform accessories give you control over how your setup feels in your hands. Grip angle, hand placement and accessory positioning all influence comfort and performance.


10" M-LOK free-float handguard for SIG M400 SDI/TREAD and compatible AR-15 builds, with aluminum body, top rail, barrel nut, clamps, and screws.

Mil-Spec BCM Gunfighter Mod 0 stock with snag-free polymer body, VBO sling tab, ambidextrous sling options, and color-matched rubber buttpad.

Mil-spec buffer tube stock setup for Valken Ripsaw ATG markers with CAR-style adjustable ergonomics.

Real extended mag catch paddle for compatible AR-15/AR-308 lowers and verified AR-style paintball builds.

Real AR-15 enhanced billet trigger guard with larger gloved-hand opening, aluminum construction, and mil-spec receiver fitment.

Real adjustable stock and Hogue rubber grip furniture bundle for compatible builds.

Real collapsible stock and Magpul grip furniture bundle for compatible builds.

Real adjustable stock and Trinity Force grip furniture bundle for compatible builds.

Real telescoping stock and Magpul grip furniture bundle for compatible builds.

Real adjustable stock and ERGO grip furniture bundle for compatible builds.

Real adjustable stock and Hogue grip furniture bundle for compatible builds.

Real adjustable stock and Magpul grip furniture bundle for compatible builds.

Real enhanced trigger guard and Spike's Tactical grip bundle for compatible control upgrades.

Real A2-style fixed stock with durable construction, trapdoor storage, and sling loop support.

Real compact UTG adjustable stock for compatible Mil-Spec tube setups.

Real collapsible precision stock for compatible Mil-Spec carbine tube setups.

Real M4-style adjustable stock for compatible Mil-Spec carbine buffer tube setups.

Real adjustable stock with dual QD sling mount points for compatible Mil-Spec buffer tube setups.

Dimple-textured billet magazine release button for compatible AR-pattern builds, made from 6061-T6 aluminum.

Aluminum AR-15 magazine catch button with grooved traction surface and black finish for compatible AR-pattern builds.