Description
Build or upgrade your ultra-compact rimfire build with the Always Armed 4.5" .22LR TRX Series Upper Receiver in FDE. Made in the USA, this high-performance upper receiver assembly is coated in a durable Flat Dark Earth (FDE) Cerakote finish for exceptional wear resistance, heat protection, and a sleek tactical look.
At its core, the 4.5-inch barrel is machined from premium 4140 Chrome Moly steel with a medium taper profile and finished in a corrosion-resistant Salt Bath Nitride. Featuring a 1:16 twist rate optimized for .22LR projectiles and standard 1/2"-28 TPI threads, it comes fitted with a sleek smooth flash can muzzle device to direct blast and sound forward away from the shooter. Surrounding the barrel assembly is a lightweight 4.25-inch TRX Series free-float M-LOK handguard, providing ample rail real estate for lights, grips, and tactical accessories on your AR-22 pistol or rifle setup.
- Caliber: .22LR
- Barrel Length: 4.5 inches
- Twist Rate: 1:16
- Barrel Material & Finish: 4140 CrMo Steel with Salt Bath Nitride Finish
- Barrel Profile: Medium Taper
- Thread Pitch: 1/2"-28 TPI
- Handguard: 4.25" TRX Series Free-Float M-LOK Hand Rail
- Receiver Finish: Flat Dark Earth (FDE) Cerakote
- Muzzle Device: Smooth Flash Can
- Origin: Made in the USA