MBX Patent-pending AR-15 Modular Basepad Extension
& Inter-Loc System!

MBX AR-15 Modular Basepad Extension "Patent Pending"
MBX AR Basepad Extension For Gen 3 PMAG

Adds Capacity:
- 3 Rounds for 20 PMAG
- 4 Rounds for 30 PMAG
- 5 Rounds for 40 PMAG


The MBX AR Basepad extension is designed for innovated Inter-Loc System adding stability plus giving the ability to connect two or more magazines together easily in seconds with our tool-less design.


MUST REMOVE FACTORY PLASTIC CLIP ON THE MAGAZINE SPRING BEFORE USING WITH MBX MODULAR BASEPAD IN ORDER TO GET PROPER FUNCTION AND ADDED CAPACITY.

MBX AR Modular Coupling Inter-Loc Set
MBX AR Modular Coupling Set

Two MBX AR Basepad Extensions For Gen 3 PMAG and One MBX Inter-Loc Block


Join any size Gen 3 PMAG 10rd, 20rd, 30rd, or 40rd together


Tool-less design allows for fast and easy connecting


Adds Stability and Capacity:
- 3 Rounds for 20 PMAG
- 4 Rounds for 30 PMAG
- 5 Rounds for 40 PMAG


MUST REMOVE FACTORY PLASTIC CLIP ON THE MAGAZINE SPRING BEFORE USING WITH MBX MODULAR BASEPAD IN ORDER TO GET PROPER FUNCTION AND ADDED CAPACITY.

MBX AR Inter-Loc Block
MBX Inter-Loc Block (joins two or more AR extension Basepads)

MBX Inter-loc Block allows for fast easy and tool-less assembly of two or more magazines when used in conjunction with MBX AR-15 extensions.


MBX Inter-loc Stabilizers Support Set
MBX Inter-loc Stabilizers Support Set (adds support to one or more MBX AR Basepad Extensions)

MBX Inter-loc stabilizers support set gives support to a single or double magazine configuration allowing for an extremely stable monopod platform for the ultimate performance. Also, allowing for staging of a rifle with muzzle up or down while having a single magazine inserted.


MBX Complete Modular Stabilizer Set
MBX Complete Modular Inter-Loc Basepad Extension System (two AR Extension Basepads, Inter-Loc Block, & Stabilizers Support Set)

Complete Inter-loc Stabilizer Set using MBX dual dove tail design allows for tool-less easy attachment of two magazines and stabilizers. The stabilizers can be used with a single or double magazine configuration.


Must remove factory plastic clip on spring to use with inter-loc system.

MBX AR-15 Basepad 8 Pin Repair Kit
MBX AR-15 Basepad 8 Pin Repair Kit

Includes: 8 set screws, Rubber silicone pieces, & 8-Pins


For use on:


• MBX AR Basepad Extension