Build the ultimate PDW with the AR45 upper.
Always wanted a .45-caliber SMG? H&K UMP too expensive? No problem: Now you can build an AR45, one of the most compact, accurate and reliable .45-caliber carbines, based on the platform you already know and love.
This .45 upper features a heavy 4.5" barrel forged from 4150 CMV and finished in QPQ nitride, affording superior heat dissipation and performance, especially when chambering +P loads.
What’s Included
This is not a firearm. This AR45 upper includes a barreled assembly. Bolt sold separately.
AR45 Upper Specifications
Upper is assembled in-house and shipped ready to install.
Barrel
- Chamber: .45 ACP
- Contour: Heavy
- Length: 4.5”
- Twist Rate: 1:16
- Gas System: Blowback
- Muzzle Threads: .578 x 28
- Material: 4150 CMV
- Finish: QPQ Nitride
- Process: Button Rifled
- Lining: Nitride
- Muzzle: A2-Style "Birdcage" Flash Hider
Handguard
- Attachment System: 4" M-LOK
- Finish: Type II Hardcoat Anodized (Mil-Spec)
- Top Rail: M1913 Picatinny
- Material: Billet 6061-T6 Aluminum
- Attachment: Free-Float, Barrel Nut
Upper Receiver
- Profile: "Slick Side" Enhanced w/ Enlarged Ejection Port
- Material: Billet 6061-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Lower receiver not included. Requires AR45 lower, or AR-15 lower with .45 ACP conversion block.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
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