YHM is very pleased to offer our flagship BLACK DIAMOND® Carbine Top End. The Diamond forearm bridges the gap between the upper receiver and hand guard and is marked for position on all 4 sides. YHM's diamond pattern in the hand guard reduces weight and blends perfectly with our diamond fluted barrels.
* Forged 7075-T6 Flat Top Upper Receiver with M4 Feed Ramp and "T" marked
* Forward Assist
* Includes Charging Handle
* Includes Bolt Carrier Assembly
* 16" 4140 Steel Barrel, Heat Treated to RC 25-32
Diamond Fluted to Improve Rigidity and Aid in Barrel Cooling
Threaded to take our Popular Muzzle Accessories
* YHM Phantom 5C2 Flash Hider / Compensator
* YHM Specter Length Diamond Handguard (YHM-9630-DX)
* YHM Forearm Endcap (YHM-9484-A)
* YHM Low Profile Gas Block (YHM-9384)
* YHM Front Flip Sight Tower (YHM-9394)
* YHM Flip Rear Sight (YHM-9680)
* 16" 5.56 Barrel (1:7 Twist)
* Includes all Internal Parts
Yankee Hill Machine Company Vertical Grips are made from 6061-T6 aluminum with a black anodized finish. Knurled for a better grip. Both the Keymod and MLOK version are available with or without storage compartment.
The grip with storage compartment 3.125″ long and can hold two CR123A batteries. Screw-in plug securely holds and protects items in the storage compartment.Grip without storage compartment is 2.95″ long.
Manufacturer Part Number: YHM-5420A; YHM-5425A; YHM-9540; YHM-9545