B5 Systems MTR1395 Multi-Tasker Tool Black Barstock for M4 Carbine

The B5 Systems MTR1395 Multi-Tasker Tool is a compact, patent-pending single-piece multi-tool purpose-built for the M4 carbine and AR-15 platform. Co-developed with MultiTasker, it is precision machined from solid black barstock using wire-EDM and CNC processes, delivering a tight, durable tool that travels with the rifle.

Despite its minimal footprint, the M:4 packs four field-essential functions into one piece: a 1/4" slotted screwdriver, a dual-lug castlenut spanner wrench, a 1/2" hex wrench, and a bolt-override malfunction clearance tool. It is designed to stow discreetly inside a specially inletted B5 Systems buttpad with no visible profile, keeping critical AR-15/M4 utility on the rifle and ready to deploy.

At just 3.82" overall and a mere 1.20 oz, the Multi-Tasker Tool adds virtually no bulk to the carbine while delivering a full bench of maintenance capability at hand.