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FROM PSA:
Caliber: .300 Blackout
Barrel Length: 7″
Barrel Profile: Medium
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread Pattern: 5/8″ x 24
Twist Rate: 1 in 7″
Barrel Extension: M4
Gas System Length: Pistol
Diameter at Gas Block: .875″
Gas Block Type: Low Profile
Muzzle Device: Thread Protector
Receiver Material: Forged 7075-T6
Lower Receiver Type: M16A2
Upper Receiver Type: C7 with feed ramps
Handguard Type: DOE / M231 with heat shields
Bolt Material: Carpenter 158 Steel
Bolt Carrier Profile: Full Auto
Fire Control Group: Standard Mil-Spec Trigger Group
Grip: A2-style
Pistol Brace: HAR-15 Adjustable Pistol Stabilizing Blade
Buffer Tube Length: Carbine, 6 Position
Buffer Tube Diameter: Mil-spec
Harrington & Richardson introduces the DOE 300BLK pistol. The upper features a C7 upper receiver with M4 feed ramps and a 7″ 300BLK barrel with a pistol-length gas system. The upper is finished off with a DOE handguard and DOE front sight block. The lower features 300 Blackout markings and an HAR-15 Adjustable Pistol Stabilizing Blade.
