The TacFire MAR050S delivers mil-spec reliability in a precision-forged aluminum lower receiver that accepts standard AR-15 components. This stripped lower provides the foundation for custom builds while maintaining compatibility with all mil-spec parts and accessories.
What Makes This Different
Forged from 7075-T6 aluminum billet, this receiver exceeds standard cast alternatives in strength and dimensional consistency. The mil-spec trigger pocket and magazine well dimensions ensure proper fitment with aftermarket components. Hard coat anodized finish provides corrosion resistance while maintaining the precise tolerances required for reliable function.
Key Features
- 7075-T6 forged aluminum construction for maximum durability
- Mil-spec dimensions compatible with all standard AR-15 components
- Type III hard coat anodized finish in matte black
- Accepts standard .223/5.56 upper receivers and bolt carrier groups
- Standard trigger guard and magazine release components included
- Proper fire control pocket spacing for drop-in triggers
- Serial numbered and marked per federal requirements
This lower receiver handles the stresses of rapid fire and extended shooting sessions without dimensional changes or wear. The forged construction distributes impact forces more effectively than cast alternatives, maintaining accuracy over thousands of rounds. Compatible with both carbine and rifle-length buffer systems for versatile build options.
Technical Specs
- Material: 7075-T6 forged aluminum
- Finish: Type III hard coat anodized black
- Weight: Approximately 8.2 ounces
- Overall length: 9.5 inches
- Trigger guard: Standard aluminum
- Magazine well: Mil-spec .223/5.56 dimensions
- Threading: Standard mil-spec buffer tube threads
- Compliance: ATF approved with required markings
The MAR050S provides the reliability builders demand without premium pricing. Its proven mil-spec dimensions eliminate compatibility concerns, while the forged construction ensures long-term durability under demanding conditions.