5KU Aluminium Threaded Outer Barrel - Type 1 - 5.1 - Red MONK Customs ESG Grips Gearbox shells: A&K

Gearbox shells: A&K

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coupled with an upgraded control board with new binary trigger option

5KU Aluminium Threaded Outer Barrel - Type 1 - 5.1 - Red MONK Customs ESG Grips Gearbox shells: A&KUpgrade your Hi Capa with lightweight performance and clean custom styling. The 5KU Type 1 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