The Knight’s Armament SR-25 K7 Upper Receiver Kit is a factory-configured upper designed for SR-25 pattern rifles chambered in 6.5 Creedmoor. It features a 14.5-inch barrel constructed from 416R stainless steel with 5R cut rifling and a 1:7.5 twist rate. The dimpled hybrid medium profile is intended to balance weight, durability, and heat management, making it suitable for a variety of shooting applications. The upper is paired with an M-LOK compatible handguard for flexible accessory mounting.
This upper receiver kit includes a complete bolt carrier group with the E2 bolt, charging handle, and a compatible muzzle device. Additional components include front and rear micro iron sights, an M-LOK to Picatinny rail section, an M-LOK QD sling adapter, and an H2 buffer. The included components provide a complete upper assembly solution for users seeking compatibility with large-frame AR platforms.
Specifications
- Caliber: 6.5 Creedmoor
- Barrel Length: 14.5 in (36.8 cm)
- Barrel Material: 416R stainless steel
- Rifling: 5R cut rifled
- Twist Rate: 1:7.5
- Barrel Profile: Dimpled hybrid medium profile
- Handguard: M-LOK compatible
- Bolt Carrier Group: Included with E2 bolt
- Charging Handle: Included
- Muzzle Device: Included
- Sights: Front and rear 600m micro iron sights included
- Accessories Included:
- M-LOK to Picatinny rail section
- M-LOK QD sling adapter
- H2 buffer
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