Attributes:
- ADDITIAL FEATURE 1: Includes Bolt and Buffer
- ADDITIAL FEATURE 2: M-Lok Handguard
- CALIBER/GAUGE: 7.62x51mm NATO
- DESCRIPTION: MR762A4 UPPER KIT 7.62MM 13"
- FAMILY: MR762 Series
- FINISH: Black
- MANUFACTURER: Heckler & Koch
- MANUFACTURER MODEL NUMBER: 51001919
- MODEL: MR764A4 URK
- RATE OF TWIST: 1-in-7"
- UPC: 642230272545
