Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Their goal is to distribute excellent quality, at an economical value.

This AR-15 micro pistol build kit is made in the USA and includes everything you need besides the lower receiver and lower parts kit.

Specifications and Features:
Micro Ultralight Series Pistol Build Kit
Foward Assist Upper
Gen 3 Ejection Door Assembly
Chambered in 5.56
5.5" M4 Barrel
1:5 Twist
Threaded 1/2x28
A2 Birdcage
4" M-LOK Compression Handguard
Custom Short Length Gas System
Steel Low Pro Gas Block
Micro Pistol Buffer Tube Kit
Ultralight Aluminum Skeletonized Pistol Grip
Does Not Come Assembled
Does Not Include Lower Receiver or Lower Parts Kit


This upper receiver can be connected to any standard AR-15 pistol lower receiver. All NFA rules apply.

This product is not returnable. Contact the manufacturer for warranty and assistance.