Custom Builder Base MTW Billet

Reserves the base MTW rifle used for your custom build for inventory and costing purposes. Your rifle will ship as one complete custom MTW build, configured with the selected parts you chose. The M4 Billet is the modern workhorse of the MTW lineup. With its sleek billet-style receiver set, clean M4 profile, and wide compatibility with popular rails, stocks, grips, and accessories, this is the perfect starting point for a fully personalized HPA rifle. If you want a custom MTW that feels familiar, lightweight, modular, and ready for almost any role, the M4 Billet is the safest and most versatile choice. It gives you that modern M4 look with all the performance, reliability, and tunability that makes the MTW platform so popular.