FREE STANDARD SHIPPING ORDERS $250+
AGE VERIFICATION REQUIRED
Are you at least 18 years old?
Are you at least 18 years old?
Why Buy From Us?
Customize
Don't see the exact configuration you want? No problem, just let us know. Most of the time we can customize with the parts we have just to your liking.
Warranty
All our uppers have a Lifetime Warranty to the original purchaser. Some conditions apply - click here for details.
Customer Service
We believe in customer service before and after the sale. We never take days or weeks to respond. Most of the time if you email or leave a message, we usually respond the same day or next business day.
Turnaround Time
Most of our uppers are built to order. Our most important goal is to get your order to you as quickly as possible without sacrificing quality. Please check the live status update on the banner above and/or on our homepage for current processing times.
Specifications
We always specify the manufacturer of the major components therefore you know what you are getting. We only use quality components from well-known manufacturers.
Complete AR-15 lower build kit includes our M4 Milspec Stock Kit (MSK) and lower parts kit bundled together. All quality parts made in the USA.
| SKU | M4LBKIT |
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