810081130080

Geissele’s ultra-lightweight SMR MK4 10.5″ M-LOK rail features integrated Picatinny sections and extensive venting to cut weight while maintaining rigidity, with a proprietary 2.25″ barrel nut ensuring free-float accuracy. Type 3 Anodized Hardcoat 6061-T6 aluminum construction with DDC finish delivers combat-proven durability for AR-15 platforms.