Finish Your Lower Kit (Carbine): Ambidextrous Safety Selector + Special Operations Stock + AR-15 Carbine Buffer Tube Kit + Complete Lower Parts Kit

Finish Your Lower Kit (Carbine): Ambidextrous Safety Selector + Special Operations Stock + AR-15 Carbine Buffer Tube Kit + Complete Lower Parts Kit

Complete your AR-15 lower with a premium bundle designed for durability, comfort, and enhanced control. This Finish Your Build Kit pairs the lightweight Special Operations adjustable stock with a complete Mil-Spec lower parts kit, Mil-Spec carbine buffer tube assembly, and an ambidextrous safety selector for improved handling by both left- and right-handed shooters. Built around Mil-Spec compatibility, this package provides everything needed to complete the lower receiver while adding modern ergonomics, versatile sling mounting options, and reliable operation for defensive, recreational, or competition-focused rifle builds.

Key Features

• Lightweight Special Operations adjustable stock with ergonomic design
• Glass-filled polymer construction for durability with reduced weight
• Complete Mil-Spec AR-15 lower parts kit with fire control group
• Mil-Spec carbine buffer tube kit for dependable operation
• Ambidextrous safety selector for left- and right-handed shooters
• Integrated QD sling mount and traditional sling loop
• Rubberized butt pad for improved comfort and recoil control
• Compatible with standard Mil-Spec AR-15 lower receivers

Perfect For

• Completing stripped AR-15 lower receivers
• Tactical and defensive rifle builds
• Left- and right-handed shooters wanting ambidextrous controls
• Builders seeking lightweight yet durable furniture
• Range rifles and general-purpose sporting rifles

Lightweight Stock with Enhanced Ergonomics

The Special Operations stock combines lightweight glass-filled polymer construction with an ergonomic profile to improve handling without adding unnecessary weight. Its adjustable length of pull allows shooters to tailor the rifle to their preferred shooting position, while the rubberized butt pad enhances shoulder grip and stability during extended range sessions or rapid-fire drills. Integrated QD and traditional sling attachment points provide flexibility for a variety of carry configurations.

Complete Lower Assembly with Ambidextrous Controls

The included Mil-Spec lower parts kit supplies the essential components needed to complete an AR-15 lower receiver, including the fire control group, A2 pistol grip, trigger guard, magazine catch assembly, bolt catch assembly, takedown and pivot pins, springs, detents, and installation hardware. Completing the package is an ambidextrous safety selector that provides fast, intuitive manipulation from either side of the rifle, making the platform more adaptable for left-handed shooters, off-hand transitions, and modern training techniques.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Lower receiver not included. Verify all components are properly installed before use.