Christensen Arms CA9 9mm AR Pistol – Gray Finish, Odin Works Brace, MBUS Sights

The Christensen Arms CA9 is a lightweight AR-pattern 9mm pistol built for shooters who want familiar controls in a soft-shooting pistol-caliber platform. This example stands out with its gray finish, free-float M-LOK handguard, top Picatinny rail, and compact overall footprint. From the photos, it also appears to wear a set of Magpul MBUS backup sights along with an Odin Works brace, giving it a practical, ready-to-run setup.

Christensen’s CA9 line is known for combining AR-style ergonomics with 9mm compatibility, making it a strong option for range use, training, and recreational shooting. Factory CA9 pistols have been offered with Glock-compatible magazines, aluminum receivers, and short-barrel configurations, and this one appears to follow that same formula. The installed muzzle device and upgraded sighting setup add to the appeal for buyers who want a compact package without starting from scratch.

Specs Table