Colt Lower Parts Kit - AR15/M4

Colt Lower Parts Kit - AR15/M4

Get your AR build one step closer to complete with the Colt’s Manufacturing Lower Parts Kit for AR15/M4 platforms. Precision-engineered by one of the most trusted names in firearms, this kit includes the essential components you need for dependable performance and smooth function. Whether you're refreshing an old lower, replacing worn parts, or completing a new build, Colt's high-quality parts offer mil-spec reliability backed by legendary craftsmanship.

Mil-Spec Compatibility
Designed for AR15/M4 lowers, ensuring dependable function and universal fit.

Trusted Colt Quality
Manufactured by Colt’s Manufacturing—known for battle-ready builds and exacting standards.

Specifications

• Platform: AR15 / M4
• Color: Black
• Material: Steel & Polymer (varies by part)
• Includes:
  • Mil-Spec Trigger Assembly
  • Safety Selector & Spring
  • Mag Release Button & Catch
  • Bolt Catch & Plunger Assembly
  • Takedown & Pivot Pins
  • Springs & Detents
  • Buffer Retainer & Spring
    
  • Pistol Grip & Pistol Grip Screw
  • Trigger Guard