AR-15 31-Piece Mil-Spec Lower Parts Kit with Ambidextrous Safety Selector

AR-15 31-Piece Mil-Spec Lower Parts Kit with Ambidextrous Safety Selector

This is a complete 31-piece AR-15 lower parts kit built for most Mil-Spec AR-15 lower receivers, combining steel, aluminum, and polymer components finished in black oxide, phosphate, and anodized coatings. It includes a Mil-Spec fire-control group along with an ambidextrous safety selector and a standard AR-15 pistol grip.

Key Features

• 31-piece complete AR-15 lower parts kit
• Mil-Spec trigger, hammer, and disconnector
• Ambidextrous safety selector
• Standard AR-15 pistol grip included
• Steel, aluminum, and polymer construction
• Compatible with most Mil-Spec AR-15 lower receivers

Fire-Control Group

The fire-control group includes a Mil-Spec trigger with its trigger spring and trigger pin, a hammer with its hammer spring and hammer pin, and a Mil-Spec disconnector with its disconnector spring. Together these components form the complete trigger assembly needed for semi-automatic function.

Safety, Magazine Catch, and Bolt Catch

An ambidextrous safety selector is included, along with its detent and spring, giving the buyer selector control from either side of the receiver. The magazine catch components include the magazine catch, magazine release button, and magazine catch spring. The bolt catch assembly includes the bolt catch itself, its spring, buffer, and roll pin.

Takedown, Pivot, and Buffer Retainer Components

The kit includes the takedown pin, its detent, and detent spring, along with the pivot pin, its detent, and detent spring. A buffer retainer and buffer retainer spring are included to secure the buffer tube to the lower.

Trigger Guard and Grip

A trigger guard and its roll pin are included, along with a standard AR-15 pistol grip and its mounting screw and washer.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.