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TTI - WE/TM Gen3 G17/G18c G-Series Fixed Outer Barrel Type B - Black US$ 28.94 ★★★★★ 4.3 (24 reviews)
Action Army AAP-01 Replacement Part - Complete Hop Chamber And Barrel Set US$ 10.97 ★★★★★ 4.9 (19 reviews)
Fitted - Nexxspeed CNC 7075 Aluminium Blowback Unit - Tokyo Marui Hi-CAPA 4.3 / 5.1 / Gold Match - Black US$ 41.91 ★★★★★ 4.0 (14 reviews)