Davidson Defense Exercitus 14.5-inch Mid-Gas 1:7 5.56 NATO AR-15 M-Lok Handguard Pistol Upper Build Kit

Exercitus 14.5 Inch 5.56 NATO AR-15 Pistol Upper Build Kit with MX10 M-LOK Handguard and Omega Manufacturing Super Compensator

The Exercitus AR-15 Pistol Upper Build Kit pairs a 7075-T6 aluminum AR-15 upper receiver with M4 feed ramps, a 14.5 inch medium profile 4150 chrome moly vanadium steel barrel in 5.56 NATO and .223 Remington, and a 12 inch MX10 M-LOK rail handguard. The barrel has a nitride finish, a 1 in 7 twist rate, and a half inch x 28 thread pitch, and it uses a mid length gas system. The upper receiver comes with a forward assist and an ejection port door with rod and spring. A micro low-profile .750 steel gas block, a stainless steel gas tube, an Omega Manufacturing Super Compensator, and a black crush washer round out the kit, and BCG and charging handle are not included.

Key Features

• AR-15 upper receiver with M4 feed ramps, 7075-T6 aluminum, anodized
• AR-15 forward assist
• AR-15 ejection port door, rod, and spring
• 14.5 inch medium profile barrel, 4150 chrome moly vanadium steel
• Nitride finish
• 1 in 7 twist rate
• Half inch x 28 thread pitch
• Micro low-profile steel gas block for .750 barrels
• Stainless steel gas tube
• 12 inch MX10 M-LOK rail handguard
• Omega Manufacturing Super Compensator, model MZ-1009B, black, half inch x 28
• Half inch black crush washer
• BCG and charging handle not included

Perfect For

• AR-15 builders who want a 14.5 inch upper receiver, barrel, handguard, and compensator in one purchase
• Builders who already have a bolt carrier group and charging handle on hand
• Shooters who want a compensator in place of a standard flash hider from the start

Upper Receiver with Forward Assist and Ejection Port Door

The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps. It comes with an AR-15 forward assist. An AR-15 .223 and 5.56 ejection port door with door, rod, and spring is also included. These parts cover the upper receiver side of the kit.

14.5 Inch Nitride Medium Profile Barrel

The barrel is a 14.5 inch medium profile barrel made from 4150 chrome moly vanadium steel with a nitride finish. It is chambered for 5.56 NATO and .223 Remington with a 1 in 7 twist rate. The barrel runs a mid length gas system with a .750 gas journal. A micro low-profile steel gas block and a mid length stainless steel gas tube are included.

MX10 M-LOK Rail Handguard

The MX10 is a 12 inch M-LOK rail handguard. M-LOK slots give room for lights, grips, and other accessories. It provides the front end forend structure of the upper. The micro low-profile gas block sits underneath the handguard.

Omega Manufacturing Super Compensator

The kit includes the Omega Manufacturing Super Compensator, model MZ-1009B, in black. It is compatible with .223 and 5.56 and threaded half inch x 28. A half inch black crush washer is included with the compensator. These parts cover the muzzle hardware for the barrel.

Follow safe handling and manufacturer instructions.

Ensure compliance with all applicable federal, state, and local laws.

BCG and charging handle are not included.

Verify compatibility with your lower receiver and bolt carrier group before use.

Inspect all components before use.