The M:4 Multi-Tasker is a one-piece multi-tool developed by MultiTasker in conjunction with B5 Systems for the M4 carbine platform. It is precision machined from steel barstock using wire-EDM/CNC and designed to nest inside a specially inletted B5 buttpad (buttpad sold separately) for discreet storage and tool-free access. Dot coding identifies each function for quick selection. The tool combines multiple service functions into a single compact unit for field and workshop use.
Key Specifications
- The model is M4 Multi-Tasker Tool (M:4).
- The manufacturer is B5 Systems (designed and manufactured in conjunction with MultiTasker).
- The frame material is Steel.
- The finish/color is Black.
- The documented weight is 1.20 oz.
- It is listed as an AR-15 accessory.
- The tool provides 4 specific functions for service and adjustment.
- Included functions are a slotted screwdriver, castle nut spanner, 1/2″ hex for scope mounts, and bolt override.
- The part is precision machined from solid barstock using wire-EDM/CNC.
- The tool nests inside a specially inletted B5 buttpad for discreet storage (buttpad sold separately).
Compact and function-focused, the M:4 Multi-Tasker is intended for shooters and armorers who need a small, durable set of service tools that can be carried inside a B5 buttpad or stored in a range kit. Its steel construction and precision machining make it suitable for routine adjustments and basic armorer tasks without adding bulk to your toolkit.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
Related Videos:




