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

Part Number: CO-21302
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On sale $69.99 $58.99
Retail Price:$69.99
Your Savings:$11.00(16%)
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Availability: In Stock

Details

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

Complete your AR-15 lower with a versatile combination of premium components engineered for reliability, lightweight handling, and long-term durability. This build kit pairs the Special Operations adjustable rifle stock with a complete Mil-Spec carbine buffer tube assembly and a full AR-15 lower parts kit, providing nearly everything needed to finish a stripped lower receiver. Featuring a lightweight glass-filled polymer stock with dual sling mounting options, a dependable Mil-Spec buffer system, and a complete fire control group, this package delivers an excellent foundation for tactical rifles, range builds, and general-purpose AR-15 projects.

Key Features

  • Special Operations adjustable rifle stock with lightweight construction
  • Glass-filled polymer stock weighs only 0.5 lbs
  • Adjustable length of pull for customized fit
  • Integrated QD sling mount and traditional sling loop
  • Rubberized butt pad improves stability and recoil control
  • Complete Mil-Spec AR-15 lower parts kit with fire control group
  • Heavy-duty Mil-Spec carbine buffer tube assembly
  • Standard 3 oz carbine buffer for reliable cycling
  • Includes A2 pistol grip and complete lower receiver hardware
  • Mil-Spec compatible components throughout

Perfect For

  • Completing AR-15 lower receiver builds
  • Tactical and defensive rifle configurations
  • Lightweight general-purpose rifle builds
  • Builders wanting multiple sling attachment options
  • Recreational and range shooting
  • First-time AR builders seeking a complete lower completion kit

Lightweight Special Operations Stock

The Special Operations stock combines lightweight glass-filled polymer construction with practical features that enhance both handling and shooter comfort. Weighing only 0.5 pounds, it helps minimize overall rifle weight while maintaining excellent durability for demanding use. The adjustable design allows shooters to tailor length of pull for different body types, shooting positions, or gear configurations, while the ergonomic profile and rubberized butt pad provide improved comfort and positive shoulder engagement during extended shooting sessions.

Complete Lower Receiver Foundation

This kit includes a complete Mil-Spec lower parts kit featuring a semi-automatic fire control group, safety selector assembly, bolt catch assembly, magazine catch assembly, trigger guard, takedown hardware, springs, detents, and a black A2 pistol grip. Paired with the included carbine buffer tube assembly, receiver end plate, castle nut, recoil spring, and standard 3 oz carbine buffer, the kit provides all of the essential components required to complete a stripped AR-15 lower receiver with dependable Mil-Spec performance.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Lower receiver not included. Verify all components are compatible with your specific lower receiver.

Specifications

Special Operations Stock

  • Glass Filled Polymer
  • Integrated QD Sling Mount
  • Integrated Sling Loop
  • Rubberized Butt Pad

Carbine Buffer Tube Assembly

  • Mil-Spec 6-Position Carbine Buffer Tube
  • Receiver End Plate
  • Castle Nut
  • AR-15 Carbine Recoil Spring
  • 3 oz Carbine Buffer

AR-15 Lower Parts Kit

  • Black A2 Pistol Grip
  • Pistol Grip Screw
  • Pistol Grip Lock Washer
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Standard Trigger
  • Trigger Spring
  • Trigger Pin
  • Hammer
  • Hammer Spring
  • Hammer Pin
  • Disconnector
  • Disconnector Spring
  • Safety Selector
  • Selector Spring
  • Selector Detent
  • Bolt Catch
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Magazine Catch
  • Magazine Catch Button
  • Magazine Catch Spring
  • Front Pivot Pin
  • Pivot Pin Detent Spring
  • Takedown Pin
  • Takedown Detent
  • Buffer Retainer Pin
  • Buffer Retainer Spring


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