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Your cart is empty.The B01 Blowback Housing, precision CNC machined from aluminum 7075, offers unparalleled durability and quality. Weighing just 18 grams, it enhances cycling action and gas transmission, while its unique piston head design ensures optimal O-ring performance, minimizing air leakage during blowback. The inclusion of three different sizes of black O-Rings allows compatibility with commonly used nozzles. Compatible with Tokyo Marui Hi-CAPA / 1911 Series Airsoft GBB Pistols, this housing features an ultra-lightweight design, preventing flexing and warping under hard use. Available in Black and Silver, it provides stable and smooth blowback cycling. However, users should note that the piston screw is initially loosened for packaging and must be tightened for installation. For proper installation, strong screw glue is recommended to prevent damage to screw threads. Please be aware that installing parts and fitting airsoft guns requires intermediate knowledge or the assistance of an expert or airsoft gunsmith. Regular maintenance is essential to ensure optimal performance and reduce wear on parts. Model: CCT-TMHC-021.