Product Code: LPK-AR15

Mil-Spec AR-15 Lower Parts Kit

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AR-15 Mil-Spec Lower Parts Kit

5D Tactical brings you our reliable and proven AR-15 Mil-Spec lower receiver parts kit that comes complete with an A2-style pistol grip and Mil-Spec trigger guard kit.

Complete Your AR-15 Build Quickly

Your AR-15 build is important to you, so that makes it important to us. Our AR-15 lower parts kit includes all Mil-Spec quality parts and components you have come to expect from 5D Tactical to complete your 80% lower receiver. Give your next AR-15 rifle build a foundation of proven excellence for long-lasting performance and reliability with our complete lower parts kit.

Order Online Today

As an industry-leading supplier of quality AR-15 build parts, you can count on us to deliver the best quality custom build parts and kits at the most competitive prices in the market. Our AR-15 Mil-Spec lower receiver parts kit combines true reliability, world-class quality and durability. If you want to finish your AR-15 lower receiver easily and quickly, feel free to order our AR-15 lower parts kit online. Call us at 508.834.4223 or e-mail our friendly sales team at

Our Mil-Spec AR-15 lower parts kit comes complete with an A2 Style Pistol Grip and Mil-Spec Trigger Guard Kit. This is a high-quality AR-15 Lower Parts Kit which is 100% MADE IN THE USA, featuring ground and polished sear surfaces. Avoid lesser quality kits which are sourced overseas and start your build right from the start with a quality lower parts kit!

Our AR-15 Lower Parts Kit Includes:

Mil-Spec Fire Control Group with Ground and Polished Sear Surfaces:

Trigger, Hammer, Disconnect, Trigger Roll Pin, Trigger Spring, Hammer Roll Pin, Hammer Spring, Disconnect Spring

Mil-Spec Pin Kit:
Takedown Pin, Pivot Pin, Takedown Pin Detent, Pivot Pin Detent, Takedown Detent Spring, Pivot Pin Detent Spring

Mil-Spec A2 Style Pistol Grip:
A2 Style Pistol Grip, Pistol Grip Lock Washer, Hex Pistol Grip Screw

Mil-Spec Bolt Catch:
Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring

Mil-Spec Trigger Guard:
Trigger Guard, Trigger Guard Roll Pin

Mil-Spec Magazine Catch:
Magazine Catch, Magazine Catch Button, Magazine Catch Spring

Mil-Spec Buffer Retainer Kit:
Buffer Retainer, B
uffer Retainer Spring

Mil-Spec Selector Kit:
Safety Selector Detent Spring, Safety Selector, Safety Selector Detent