A2 Legacy Uppers

Cerro Forged A2 Upper Receiver w/M4 Ramps

Fully machined and finished, military style uppers ready for you to install your choice of barrel, carrier, bolt, forearm, and lower to build a custom AR-15. A2 carry handle style. Precision machined from a premium-grade Cerro aluminum forging and black...

A2 Assembled Upper Receiver with Sight

Fully machined and finished, military style uppers ready for you to install your choice of barrel, carrier, bolt, forearm, and lower to build a custom AR-15. A2 carry handle style. Features rear sight, shell deflector, forward assist, and ejection port...

XM-4 A2 4150 Chrome Lined Upper 16" "Colt 727 Style"

  The 80's and 90's saw major changes to the modern duty rifles carried by US forces. Most notable the adoption of the carbine gas system and shorter barrel over the longer rifles. These advancements where directly related to the requests from...

11.5 5.56 1/7 CL A2 SBR Pistol Upper

This upper offers a 11.5" 4150 Chrome Moly Chrome Lined barrel a 1:7 RH military twist rate. The Flash hider is a A2 this is for PISTOL OR SBR USE ONLY. It is also made of chrome-moly steel and HP tested. Our barrels are Mil-Spec or better...

5.56 16" Mid Length Gas A2 Chrome Lined 1/7

The 80's and 90's saw major changes to the modern duty rifles carried by US forces. Most notable the adoption of the carbine gas system and shorter barrel over the longer rifles. These advancements where directly related to the requests from special...

"Colt 727 Style" XM4 A2 Chrome Lined 1/7 Upper 14.5 SBR

Here is one of our favorite custom builds. We decided to try and rebuild the old school C7 M-16A1 Carbine These are using a true M-4 carbine barrel with a 1/7 twist. The barrel is made of 41V50 steel and the chamber/bore is Chrome Lined. We use...

A2 10.5" SBR and Pistol Upper 1/7 Chrome lined (MK-18 Mod 0)

This is a custom built pistol upper built in our shop. This is a pistol and SBR use only and all NFA rules apply. Pictured specs include: TNTE 4150 11595E 10.5" 1/7 twist 5.56 chambered with a chrome lined barrel A2 Flash...

A2 10.3" SBR and Pistol Upper 1/7 Chrome lined (MK-18 Mod 0)

10.3 Upper A2 1/7 CL Barrel We started with a 10.3" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with Chrome Lined. The upper receiver is milspec A2 and is type 3 hard coat black. This receiver does have M4 ramps...

A2 10.5" SBR and Pistol Upper 1/7 QPQ (MK-18 Mod 0)

This is a custom built pistol upper built in our shop. This is a pistol and SBR use only and all NFA rules apply. Pictured specs include: TNTE 4150 11595E 10.5" 1/7 twist 5.56 chambered with a QPQ barrel A2 Flash...

11.5 5.56 1/7 QPQ A2 SBR Pistol Upper

11.5 Upper A2 1/7 QPQ Barrel We started with a 11.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ Nitride finish. The upper receiver is milspec A2 and is type 3 hard coat black. This receiver does have M4...

XM-4 A2 4150 QPQ Upper 16" "Colt 727 Style"

The 80's and 90's saw major changes to the modern duty rifles carried by US forces. Most notable the adoption of the carbine gas system and shorter barrel over the longer rifles. These advancements where directly related to the requests from special...

5.56 16" Mid Length Gas HBAR A2 Chrome Lined 1/7

The 80's and 90's saw major changes to the modern duty rifles carried by US forces. Most notable the adoption of the carbine gas system and shorter barrel over the longer rifles. These advancements where directly related to the requests from special...