Maxim Defense SDX:510
Maxim Defense Industries · Personal Defense Weapon · In Production · 2022
Overview
The Maxim Defense SDX:510 is the 10.3-inch-barreled integrally suppressed member of the SDX series, built on the MDX:510 platform with an integrated DSX suppressor tuned specifically for each caliber and barrel length to minimize gas exposure. It offers either a Gen 7 CQB collapsing stock or a B5 Bravo stock, with overall length ranging from roughly 31 inches collapsed to 36.5 inches extended. Chambered in 5.56 NATO, .300 BLK or 7.62x39 and built from military-grade titanium and stainless steel.
Specifications
| Weight (empty) | 3600 g (127.0 oz) |
| Overall Length | 891.5 mm (35.10") |
| Folded Length | 787.4 mm (31.00") |
| Barrel Length | 261.6 mm (10.30") |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Rotating Bolt |
| Trigger Type | Single Stage |
| Magazine Capacity | 30 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 940 m/s (3084 fps) |
| Muzzle Energy | 1767 J (1303 ft·lbf) |
| Effective Range | 300 m (328 yd) |
| Barrel Rifling | Right Hand |
| Frame Material | Aluminum |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Dlc Type Iii Anodized |
Calibers
- 5.56x45mm NATO · primary · SS109/M855 — also known as 5.56 NATO, .223 Rem
- .300 AAC Blackout — also known as 300 BLK, 7.62x35mm
- 7.62x39mm — also known as 7.62 Soviet, 7.62x39
Features
- Firing modes: Semi Automatic
- Feed systems: Stanag Detachable Box Magazine
- Safety mechanisms: Manual Thumb Safety
- Features: Integral Dsx Suppressor, M Kore Suppressor Technology, Gen7 Cqb Stock, B5 Bravo Stock Option, Hk Height Rail, M Slot Handguard, Ambidextrous Controls, Ar15 Magazine Compatible, Hearing Safe, Titanium Components
Base model
Production
Production years: 2022-present
Origin
Country of origin: United States
Notes
MSRP $3,695. Lengths: 31" collapsed (CQB) to 36.5" extended (B5). Caliber-tuned integral DSX suppressor with M-Kore tech.