AR-40 4.5" Billet MOD1 Upper Receiver Pistol Build Kit

Introducing the AR-40 4.5" MOD1 Billet Upper Receiver Pistol Build Kit, a powerful and compact firearm designed to deliver outstanding performance in the dynamic world of pistol builds. This meticulously crafted kit combines precision engineering with top-notch materials to offer a reliable and accurate shooting experience. Here's a detailed look at its features, listed in numbered order:

UPPER COMES ASSEMBLED

1. Barrel Length: 4"

   • The AR-40 MOD1 boasts a compact 4-inch barrel, striking an optimal balance between maneuverability and ballistic performance.

2. Caliber: 40 S&W

   • Chambered in the potent .40 S&W caliber, this pistol build kit provides excellent stopping power and versatility for various applications.

3. Twist Rate: 1:16

   • The barrel features a 1:16 twist rate, promoting stability and accuracy by imparting an optimal spin to the .40 S&W projectiles.

4. Gas System: Blowback

   • Utilizing a reliable blowback gas system, the AR-40 MOD1 ensures smooth cycling and consistent performance.

5. Muzzle Thread: 5/8X24

   • The 5/8X24 muzzle thread provides compatibility with a wide range of muzzle devices, allowing customization to suit individual preferences.

6. Muzzle Device: A2 Flash Hider

   • Equipped with a standard A2 flash hider, the AR-40 MOD1 reduces muzzle flash and recoil, enhancing overall control and shot placement.

7. Bolt Carrier Group Included

   • The kit comes complete with a high-quality Nitride-coated Bolt Carrier Group, ensuring durability, easy maintenance, and reliable function.

8. Receiver Material: Billet 7075 T6 Aluminum

   • The upper receiver is meticulously machined from Billet 7075 T6 Aluminum, known for its strength and lightweight properties, ensuring robust performance and longevity.

9. Charging Handle: 6061-T6 Aluminum

   • The 6061-T6 Aluminum charging handle adds durability and functionality, allowing for swift and efficient manipulation.

10. Buttstock: Pistol Tube

    • The AR-40 MOD1 features a pistol tube for the attachment of braces or other stabilizing accessories, enhancing control during rapid-fire and providing a comfortable shooting experience.

11. Buffer: 7 oz.

    • With a 7 oz. buffer, this kit is optimized for the .40 S&W caliber, contributing to reduced recoil and improved overall handling.

12. Grip: Standard A2

    • The inclusion of a standard A2 grip ensures a familiar and ergonomic interface for the shooter, promoting comfort and control.

13. BCG Nitride

    • The Nitride-coated Bolt Carrier Group not only enhances durability but also facilitates smooth cycling and reduces friction for improved reliability.

In conclusion, the AR-40 4.5" MOD1 Billet Upper Receiver Pistol Build Kit is a meticulously designed and well-rounded package, offering shooters a compact yet powerful solution for their pistol build needs. Whether for personal defense, competition, or recreational shooting, this kit is engineered to deliver optimal performance and reliability.