Browse Categories
Welcome to the official site for Highmark Products.
Manufactured in The USA


Most instock products will ship same day!!
Click on the parts below to see more.
Bolt Carriers
Charging Handles
A3 Upper Receivers
Uppers - BO

Lower Receiver Forgings & Parts Kits
For finished Lower Receivers contact us for our FFL shop
A2 Upper Receivers

Today's Specials

A3 - Upper Receiver - MACHINED ONLY+M4 Cuts
Price: $69.00
A3 - Upper Receiver - MACHINED ONLY+M4 Cuts
A3 Upper Receiver for AR15. Precision machined from a 7075 alum forging. Machined with T markings on rail. Finish is Media Blasted ONLY. NO Anodizing. Has M4 feed ramp cuts. No parts included.
Shopping Cart
Your cart is empty.
Search Shopping Lists
Mailing Lists
Sign up for Email Specials