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Mfg Item #: 1-50-01-543
Every part you need to assemble your bare lower receiver into a functional piece for your custom AR-15 or M4 build. All parts Made in USA
Trigger Guard and Pistol Grip
Triggerguard assembly-Enhanced Polymer Winter Trigger Guard, secures with roll pin and set screw for easy installation (allen wrench not included)
Triggerguard roll pin
A2 Pistol grip-Injection Molded Glass Filled Nylon
Pistol grip screw
Grip screw lock washer-Stainless Steel
Fire Control Group
Hammer- Investment Cast and Precision Machined Steel, Magnesium Phosphate Coating.
Hammer Spring- Black Oxide Coated
Trigger- Investment Cast and Precision Machined Steel, Magnesium Phosphate Coating.
Trigger Spring- Black Oxide Coated
Disconnector- Fine Blank and Precision Machined Black Oxide
Disconnector Spring-Black Oxide Coated
Safety selector- Investment Cast and Precision Machined Steel, Magnesium Phosphate Coating.
Selector detent spring-Black Oxide Coated
Safety selector detent-Melonite Coated Steel
Magazine Catch Assembly
Magazine release button-Anodized Aluminum
Magazine catch-Melonite Coated Steel
Magazine catch spring-Black Oxide Coated
Buffer Retainer Assembly
Buffer retainer-Melonite Coated Steel
Buffer retainer spring-Black Oxide Coated
Bolt Catch Assembly
Bolt catch- Investment Cast, Magnesium Phosphate Coating.
Bolt catch plunger-Melonite Coated Steel
Bolt catch spring-Black Oxide Coated
Bolt catch roll pin
Take Down/Pivot Pin Assemblies
Takedown pin detent springs (2)-Black Oxide Coated, longer than standard trim to length needed for your lower.
Takedown pin detents (2)-Melonite Coated Steel
Takedown pin-Melonite Coated Steel
Pivot pin-Melonite Coated Steel