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Stage 3, AR15 Lower Parts Kit, Phosphate

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Get all the internal components needed to finish your lower while choosing your own premium furniture or grip. This optimized parts set provides professional-grade fire control hardware for the discerning custom rifle builder. Proudly Made in the USA.
Mil-Spec Complete Kit
59.95 59.95

Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
Essential firing control components for those using a preferred grip and guard. Proudly Made in the USA.

Stage 3 AR15 Lower Parts Kit

This Stage 3 AR15 lower parts kit supplies the internal components needed to complete an AR15 lower receiver, featuring a phosphate finish. Pair the build with a grip and stock of your choosing. Proudly made in the USA.

Specifications

FinishPhosphate
Fire Control GroupIncluded
GripNot included
Trigger GuardNot included
PlatformAR15 lower receiver (Mil-Spec dimensions)
Bolt CatchIncluded
Bolt Catch DetentIncluded
SelectorIncluded
Selector DetentIncluded
Magazine Catch AssemblyIncluded
Takedown PinIncluded
Pivot PinIncluded
Takedown Pin/Pivot Pin Detents2
Buffer Retainer PinIncluded
Spring KitComplete spring kit
Country of OriginMade in the USA
Guarantee30-day money-back guarantee
Shipping2-3 business days
Support

Frequently Asked Questions

What's included in this Stage 3 AR15 lower parts kit?

It supplies the internal components to finish an AR15 lower: bolt catch and detent, selector and detent, magazine catch assembly, takedown pin, pivot pin, two detents, buffer retainer pin, and a complete spring kit. All parts have a phosphate finish and are made in the USA.

Are the grip and trigger guard included?

No. The grip and trigger guard are not included with this Stage 3 kit. It's built for those who want to pair the internal components with a preferred grip, guard, and stock of their own choosing.

Will this fit my AR15 lower receiver?

The kit is built to AR15 lower receiver mil-spec dimensions. Because configurations can vary, confirm fitment with your specific lower receiver and any aftermarket components before assembly. It's suited to both first-time builders and experienced gunsmiths.