16 inch AR-15 45 ACP Pistol Caliber Melonite Upper Complete Kit

Special Price $569.99 $729.99
In stock

Why Buy From Us?


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.


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.


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.

All our uppers are carefully assembled and tested and ready to go out of the box. Every component is chosen to ensure a high quality upper is produced. Every upper is custom built to order and we go the extra mile to ensure the finished product is to your specifications.

This 45 ACP upper kit starts with an AR-15/AR-45 MILSPEC 7075 T6 Billet Aluminum receiver, mated to a Tactical Kinetics 16 inch 45 ACP, 1:16 Twist, Nitride/Melonite treated barrel. TK is one of the our major partners in the industry and they especially make great pistol caliber barrels. Feed cones on their barrels are larger to accomodate a larger variety of bullet types. The Axis Rail is a free floated system, M-LOK slots on all three sides, full length picatinny rail at the top, lightweight handguard. Barrel Nut is made out of solid steel to ensure a solid mounting system.

Comes with the Bolt Carrier Group and charging handle, lower parts kit and M4 milspec stock kit - everything included to turn your stripped lower receiver into a full rifle..

SOPMOD stock by JE Machine Tech is OPTIONAL. Features a wide cheek weld, rubber non slip butt pad, two water tight storage compartments and stainless steel QD swivel mount. Made in the US.

We can also UPGRADE the TRIGGER to a Rise Armament Rave 140 Trigger. Great option if you are looking for a lighter and more crisp trigger pull.

Also an OPTION is COLOR We can change the receiver and handguard to FDE (FLAT DARK EARTH) COLOR (see pictures)..

We also offer an OPTION to add a 80% Raw or Anodized 7075 T6 Aluminum Milspec Lower Receiver (standard AR-15 lower, not pcc lower - magwell adapter needed) to your kit.

We also offer a CHOICE of Muzzle Devices - upgrade the flash hider to a Black or Stainless Competition Muzzle Brake. This is an enhanced version of the popular style muzzle brakes. The ports are milled larger and up to near the center line for maximum recoil reduction.



  • UPPER RECEIVER: AR-15/AR-45 Mil-Spec Machined out of Billet Aluminum, Type III Hardcoat Anodized Black - No Forward Assist and Ejection Port Cover Needed

  • BARREL: 16 inch, 45 ACP Caliber, 4150 Chrome Moly Vanadium Steel, 1:16 Twist, Nitride/Melonite Treated - made by Tactical Kinetics

  • HANDGUARD: 12 inch M-LOK Free Floated, Machined out of 6061 T6 Aluminum – made by Axis MFG

  • GAS SYSTEM: Blowback System 

  • GAS BLOCK: Blowback System - No Gas Block Needed

  • MUZZLE DEVICE: Standard 5/8-24 A2 (Enlarged to 45 cal) Flash Hider and Crush Washer

  • BOLT CARRIER GROUP: 45ACP Caliber, Properly Heat Treated, 8620 Single Piece Bolt, Nitrided

  • CHARGING HANDLE: Standard Charging Handle


  • STOCK: M4 Milspec Stock Kit - includes M4 stock, standard buffer spring, 8oz pistol caliber buffer, castle nut, latch plate and carbine buffer tube.

  • 100% MADE IN THE USA

  • OPTIONAL: ADD a 80% Milspec Aluminum Lower Receiver (Raw or Anodized)

  • OPTIONAL: UPGRADE Muzzle Device to a Black or Stainless Competition Muzzle Brake


  • OPTIONAL: UPGRADE TRIGGER to a Rise Armament Rave 140 Trigger

  • OPTIONAL: COLOR Change to an AR-15 9mm Magpul FDE Colored Billet Upper Receiver and 12 inch M-LOK Magpul FDE Colored Handguard


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