Maxim Defense MDX510C SBR .300 AAC Blackout 30rd

The Maxim Defense MDX510C is a compact short-barreled rifle platform built for close-quarters utility. Chambered in .300 AAC Blackout with a 30-round magazine capacity, it pairs compact handling with features developed for demanding operational use. The MDX series ships with a Gen 7 CQB PDW-style stock and includes Maxim’s HATEBRAKE muzzle booster to manage recoil and flash signature. Ambidextrous controls, a BCM grip, and an M-LOK compatible forend provide practical ergonomics and modularity.

Key Specifications

• The caliber is .300 AAC Blackout.
• The capacity is 30 rounds.
• The action is Semi-Auto.
• The stock type is PDW (Gen 7 CQB).
• The muzzle device is HATEBRAKE muzzle booster.
• The forend features M-LOK compatibility.
• The safety is Ambidextrous.
• The grip material is BCM.
• The finish is Anodized.
• The color is Black.

Purpose-built for users who prioritize a compact, feature-rich SBR platform, the MDX510C blends tactical-focused features with straightforward ergonomics. Its PDW-style stock, ambidextrous controls, and M-LOK compatibility make it adaptable for a range of setups while the HATEBRAKE helps manage signature and recoil for improved controllability in short-barrel configurations.

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