JP Enterprises GMR-15 9mm AR-9 Carbine, 16 in P&W Barrel, Glock-Mag Compatible, M-LOK Handguard, Matte Black
This JP Enterprises GMR-15 is a dedicated 9mm AR-pattern carbine built around Glock-pattern magazines and a direct blowback action. It features a 14.5-inch steel barrel with a pinned and welded multi-port muzzle device for a 16-inch legal length, a free-float M-LOK handguard, and an ambidextrous JP-branded Radian Raptor charging handle. It comes in very good condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The exterior shows minor, superficial scratches and small blemishes from light handling. The carbine presents cleanly throughout.
What's Included
- JP Enterprises factory cardboard box
- JP Enterprises GMR-15 Owner's Manual
- JP Enterprises baseball cap (black)
- 1x 33-round Glock-pattern 9mm magazine
The GMR-15 is a purpose-built 9mm AR-9 carbine from JP Enterprises, designed to run Glock-pattern magazines and a direct blowback operating system. This example includes a 33+1 capacity and ships with one 33-round magazine. It is finished in matte black over aluminum receivers and a steel barrel, and it is made in the USA.
Barrel setup is a key highlight: it uses a 14.5-inch steel barrel paired with a multi-port muzzle device that is pinned and welded to achieve a 16-inch total barrel length. This 14.5-inch barrel pin & weld configuration delivers the required 16-inch overall barrel length.
The upper is an AR-15 style flat-top with a T-marked Picatinny rail, providing a solid mounting surface. The free-float aluminum handguard features M-LOK slots and a continuous top rail, with the JP logo engraved. The ejection-port cover is laser-marked "JP" and "9mm" for clear chambering identification.
Controls and furniture are set up for practical use: an ambidextrous JP-branded Radian Raptor charging handle, an adjustable and collapsible polymer stock in black, and a JP-marked textured finger-groove pistol grip. The rifle ships without sights, leaving the top rail open for the buyer’s preferred optics or iron sights.