Important Update: In compliance with HB 1240, we regret to inform our valued Washington State customers that we are no longer offering AR-style product for sale in the state. We appreciate your understanding and support as we continue to provide a wide range of other high-quality product. For more information on HB 1240 and its impact on our inventory, please visit the official webpage of HB 1240(https://app.leg.wa.gov/billsummary?BillNumber=1240&Year=2023) or feel free to contact our customer service team.

AR-40 4.5" BILLET UPPER RECEIVER PISTOL BUILD KIT W/4" KEY MOD HANDGUARD- BCG-LPK & Pistol Tube Kit

AR-40 4.5" BILLET UPPER RECEIVER PISTOL BUILD KIT W/4" KEY MOD HANDGUARD- BCG-LPK &  Pistol Tube Kit
Specs
Barrel Length:4 "
Caliber:40 S&W
Twist Rate:1:16
Gas System:BLOWBACK
Muzzle Thread:5/8X24
Muzzle Device:
A2 Flash Hider
Bolt Carrier Group
Included 
Receiver Material:
Billet 7075 T6 Aluminum
Charging Handle:
6061-T6 Aluminum 
Buttstock:
Pistol Tube
Buffer:
7 oz. 
Grip:
Standard A2
BCGNitride 
Specs
Barrel Length: 4"
Caliber: 40 S&W
Twist Rate: 1:16
Gas System: BLOWBACK
Muzzle Thread: 5/8X24"
Bolt Carrier Group Included
Receiver Material: Billet 7075-T6 Aluminum
Charging Handle: 6061-T6 Aircraft Aluminum
Buttstock: Pistol Tube
Buffer: 7 ounce
Grip: A2

We Ship Fast!

All orders ship out within 48 business hours

  • Product Code: PK40-223B-FKMUS-4D
  • Availability: In Stock

Available Options

Tags: ARdash40, 4point5 Inches, BILLET UPPER RECEIVER, PISTOL BUILD KIT, With, 4 Inch, KEY MOD, HANDGUARD, LPK, Pistol Tube Kit, Tiger Rock Inc,