Maxim Defense MD:9 K
Maxim Defense Industries · Personal Defense Weapon · In Production · 2023
Overview
The Maxim Defense MD:9 K is the most compact member of the MD:9 9mm AR-9 family, built around the ultra-short SCW pistol brace and a 4.5-inch barrel for a sub-18-inch overall length. It feeds from Glock-pattern 9mm magazines (G19 and longer), runs an ALG Combat trigger, and uses an M-Rax and M-slot compatible free-floating handguard. Built in the USA from 7075 aluminum and tool steel with a Nitride and Type III anodized finish, topped with the HATEBRAKE muzzle device.
Specifications
| Weight (empty) | 2495 g (88.0 oz) |
| Overall Length | 438.1 mm (17.25") |
| Barrel Length | 114.3 mm (4.50") |
| Action Type | Blowback |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Single Stage |
| Magazine Capacity | 15 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 360 m/s (1181 fps) |
| Muzzle Energy | 481 J (355 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Right Hand |
| Frame Material | Aluminum |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Nitride Type Iii Anodized |
Calibers
- 9x19mm Parabellum · primary · 9mm NATO — also known as 9mm Luger, 9mm NATO, 9x19mm
Features
- Firing modes: Semi Automatic
- Feed systems: Glock Pattern Detachable Box Magazine
- Safety mechanisms: Manual Thumb Safety
- Features: Scw Self Contained Wire Pistol Brace, Hatebrake Muzzle Booster, Glock Magazine Compatible, Alg Combat Trigger, M Rax Handguard, M Slot Handguard, Free Floating Barrel, Ambidextrous Mag Release
Variants
- MD:9 K SBR — Nfa Sbr
Production
Production years: 2023-present
Origin
Country of origin: United States
Notes
MSRP $2,095. K denotes the Kurz (short) 4.5" barrel variant. Accepts Glock 9mm pattern magazines. Thread pitch 1/2-28.