Maxim Defense MD:11
Maxim Defense Industries · Battle Rifle · In Production · 2026
Overview
The Maxim Defense MD:11 is a premium large-frame rifle on the SR-25 cut pattern, chambered in 6.5 Creedmoor or .308 Winchester with a choice of Proof Research carbon fiber or stainless steel 18-inch barrels. It runs a Geissele SSA-E trigger, a carbine buffer system and an HK-height rail on a B5 Bravo stock, with construction incorporating 6Al-4V titanium and 17-4 stainless steel and a DLC/Type III anodized finish in Arid or Black.
Specifications
| Weight (empty) | 4082 g (144.0 oz) |
| Overall Length | 939.8 mm (37.00") |
| Barrel Length | 457.2 mm (18.00") |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Rotating Bolt |
| Trigger Type | Two Stage |
| Magazine Capacity | 20 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 838 m/s (2749 fps) |
| Muzzle Energy | 3184 J (2348 ft·lbf) |
| Effective Range | 800 m (875 yd) |
| Barrel Rifling | Right Hand |
| Frame Material | Aluminum |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Dlc Type Iii Anodized |
Calibers
- 6.5mm Creedmoor · primary — also known as 6.5 CM, 6.5 Creedmoor
- .308 Winchester · 7.62x51mm NATO — also known as 7.62 NATO, 7.62x51mm
Features
- Firing modes: Semi Automatic
- Feed systems: Sr25 Pattern Detachable Box Magazine
- Safety mechanisms: Manual Thumb Safety
- Features: Proof Research Carbon Fiber Barrel, Free Floating Barrel, B5 Bravo Stock, Geissele Ssa E Trigger, Hk Height Rail, Sr25 Cut Pattern, Titanium Components, Carbine Buffer System
Variants
- MD:11 Carbon Fiber — Carbon Fiber Barrel
- MD:11 Stainless — Stainless Barrel
Base model
Production
Production years: 2026-present
Origin
Country of origin: United States
Notes
MSRP $3,595-$3,995 depending on barrel. Proof Research carbon fiber or stainless steel barrel options. Geissele SSA-E trigger. SR-25 pattern magazines.