Harrington & Richardson DOE 300BLK Complete Upper Black
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Harrington & Richardson DOE 300BLK Complete Upper in Black. This pistol upper features a C7 upper receiver with M4 feed ramps and a 7 inch 300BLK barrel with a pistol-length gas system. Includes a DOE handguard and DOE front sight block. Caliber: .300 Blackout. Barrel: 7 inch, Medium profile, 4150 Chrome Moly Vanadium, Nitride finish, no chrome lining, 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, Upper Receiver Type: C7 with feed ramps, Handguard Type: DOE / M231 with heat shields, Bolt Material: Carpenter 158 Steel, Bolt Carrier Profile: Full Auto.
Specifications
- Manufacturer:
- Harrington & Richardson
- Category:
- upper-receiver
- Caliber:
- .300 AAC Blackout
- Platforms:
- AR-15
- Interfaces:
- Muzzle thread: 5/8-24
- Length:
- 7.0"
- Required Component:
- Yes
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