Comments: Although the ASG Universal Metal Barrel Extension Tube offers no measureable sound reduction, it is an aesthetically-pleasing airgun accessory. Features include durable aluminum and a 12mm external thread. Compatible with a select number of ASG CO2 BB pistols, including the ASG Bersa Thunder 9 PRO 4.5mm, CZ 75 P-09 Duty, and the ASG Bersa BP9CC.
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