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Length: 365mm / 14
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Alfa Precision · Polygonal Barrel · Blank · Cal .177 (4.5mm) OD:15mm Length: 365mm / 14This barrel blank is manufactured for gunsmiths and precision airgun builders requiring consistent internal ballistics performance. The polygonal rifling profile is machined to reduce pellet deformation and gas blow by, contributing to improved velocity consistency and shot to shot accuracy. Technical Benefits Polygonal rifling profile: minimizes friction between pellet and bore surface, reducing wear and improving seal consistency. 420mm twist rate:
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