The kit includes a complete upper, an f17 series magazine, and an f17 carbine buffer.The f17-m4 upper kit is designed to work with carbine stocks systems.Its buffer will work with either commercial or milspec buffer tubes, and is not designed to work with a2 buffer tubes.
Receiver Finish: Black Hard Coat Anodized Type: Complete Piston Operated Caliber: 17 WSM Sights: None, Optic Ready Barrel Length: 16" Barrel Material: 4140 Chrome Moly Steel Twist: 1:9" Barrel Description: Threaded Barrel Finish: Black Receiver Description: 7075-T6 Aluminum M4 Handguards: Free-Floating Handguard Finish: Black Hard Coat Anodized Barrel Length Range: 16" to 16.99"
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