Gibbous Outfitters has launched a new MP5 A3 style Pistol Arm Brace, designed to replicate the classic HK MP5 A3 stock. This brace is compatible with B&T telescopic braces for the MP5 and MP5K models
NEW Gibbous Outfitters MP5 A3 style Pistol Arm Braces available now. Modeled after the original HK MP5 A3 stock to bring the classic silhouette to your B&T telescopic brace for the MP5 or MP5K.
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