5KU Aluminium Threaded Outer Barrel - 5.1 - Gold CTM TAC This mag is compatible with

This mag is compatible with the below brand hi-capas

Two Outlet threads: 1/8 npt

BBM 150% Nozzle Spring

Ergonomic Bulge and Straight versions available (Images dictate the type)

but not a lot of space for a battery

5KU Aluminium Threaded Outer Barrel - 5.1 - Gold CTM TAC This mag is compatible withUpgrade your Hi Capa with lightweight performance and clean custom styling. The 5KU 5. 1" Outer Barrel is designed for Hi Capa builders looking to enhance both the appearance and performance of their pistol. Precision machined from lightweight aluminium, this outer barrel helps reduce overall slide mass while maintaining excellent durability. The Type 1 design features clean machining and a sleek profile, making it the perfect addition to custom race