CMMG M4 LE AR-15 Carbine Kit 5.56x45mm NATO 16" Barrel with M4 LE Upper Assembly, Collapsible Stock Assembly, Lower Receiver Parts Kit
CMMG's durable Weapons Armament Surface Protection (WASP) Melonite treatment is a unique protective coating applied to the barrel that surface-hardens the metal, extending barrel service life by reducing friction in the bore and lessening bore surface wear. Also referred to as Nitriding, this treatment produces an extremely hard, slick surface on steel that resists carbon adhesion and increases corrosion resistance, making for easier cleaning and maintenance. Nitriding converts the steel's surface without any build-up, retaining all the benefits of traditional chrome lining without suffering from the accuracy degradation commonly encountered due to uneven application of chrome inside the barrel's bore.
- Complete M4 LE AR-15 5.56x45mm NATO Upper Assembly
- Lower Receiver Parts Kit
- Complete M4-Style Buttstock Assembly (Stock, Buffer Tube, Buffer, Recoil Spring, Lock Ring)
Upper Receiver Specifications:
- Upper Receiver: A3 Flat-Top
- Barrel Length: 16"
- Barrel Contour: M4
- Barrel Material: Chrome Moly Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: WASP Melonite
- Twist Rate: 1 in 9"
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Muzzle Device: A2 Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: Polymer M4-Style
- Sights: Mil Spec A2 "F" Marked Front, No Rear
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