Wraithworks WARMP45 MINI 5IN Barrel Radial Delay HBPDW

Wraithworks WARMP45 MINI 5IN Barrel Radial Delay HBPDW

Price range: $1,785.00 through $1,978.00

This item will be released September 1, 2026.
  • Caliber: 45ACP (rated for +P ammunition)
  • Barrel: 5″ .578×28, 4140 Chrome Moly, 1:16 Twist, Button Rifled, Nitride Finish
  • Mags Included: 1
  • Mag Type: 25rd HK UMP Mag
  • Operating System: Radial Delay
  • Stock/Brace Type: HBPDW
  • Trigger: Schmid Nickel Teflon 3.5lb
  • Overall Length: 19.5.0″ Collapsed – 22″ Extended
  • Legal Length: 19″ (end of Receiver Extension to Muzzle Crown)
  • Forend: 5.5in 6061 T-6 7″ Mil-Spec Class III Type 2 Hardcoat anodized M-lok forend with QD sling swivel attachment points
  • Handstop: Battle Arms Development Handstop
  • Trigger: AR-15 Compatible
  • Weight (unloaded): 5lb 6oz
  • State Compliant: Not Compliant in CA, CT, HI, MD, MA, NJ, NY, VT, DC, IL, WA
  • UPC: STANDARD BUFFER 810046204535 – HYDRAULIC BUFFER 810046204566
  • MPN: WARMP45-MINI-BLK – WARMP45-MINI-BLK-HYDR
  • Will ship with a HBPDW Brace
SKU: WARMP45-BLK Categories: , Tags: , , , ,

Description

The new WARMP45 from Wraithworks is a USA-made Radial Delay AR45 that accepts UMP 45acp magazines!

The WARMP45 features a machined billet upper and lower receiver as well as a 6061 T-6 4.25″ M-LOK handguard. The WARMP45 is compatible with standard AR-15 barrels, trigger groups, handguards, furniture, and modified bolt carriers.

The lower receiver is fully ambidextrous which includes an ambi safety, ambi bolt catch levers, and even ambi magazine release buttons and paddle release. The paddle will release the magazine and pressing the magazine button on either side of the lower receiver will also activate the paddle release and release the magazine. Controls will be extremely familiar to anyone who has used an AR-15, and the controls are designed to be reached and operated by the pistol grip hand. Including Schmid Nickel Teflon 3.5lb Trigger.

The 1:10 twist 5” Nitride coated 9mm barrel with .578×28 threads is complemented by a Wraithworks custom 45acp muzzle device. The operating system is rounded out with a Radial Delay Bolt, carbine or Hydraulic buffer with PDW length receiver extension with an installed SB Tactical HBPDW adjustable pistol brace. The Wraithworks WAMRMP45 pistol weighs in at 5lbs 4oz unloaded and has a usable length of 19.5″ with the adjustable pistol brace collapsed and 22″ with the adjustable pistol brace fully extended. Aluminum components are anodized in a durable Mil-Spec Type III Class 2 hardcoat. The WARMP45 is 100% designed, manufactured, and assembled in the USA.

The gun ships with an HBPDW brace and Battle Arms Development Handstop.

Additional information

Buffer System

Carbine Buffer, Hydraulic Buffer

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