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PRODUCT #55AFDFE

Endeavor 200 Rifle
Mk4, 5.56x45mm, 5.56mm

$1,149.95

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$1,149.95

CMMG is temporarily halting the sale of complete firearms, upper receiver groups, lower receiver groups, and Radial Delayed Blowback BCG kits on our website in order to focus on outstanding orders. We apologize for the inconvenience and appreciate your patience as we traverse this extremely busy time. Sign up for notifications on your favorite products to get notified when they become available again or find a local dealer on our dealer page.

Endeavor 200 Rifle, Mk4, 5.56 x 45mm

If you are looking for a feature rich AR platform the 200 Series is for you. The 200 Series features classic furniture appointments such as Magpul's MOE pistol grip and CMMG's revolutionary RIPSTOCK or RIPBRACE. Chambered in 5.56x45mm, this AR is ready for the range.

The Mk4 platform accepts standard AR15-style magazines, and is the most versatile of the CMMG platforms, especially with the .22 LR, 5.7x28mm (Conversion), and 9mm conversions.

CMMG’s ENDEAVOR designated marksman and distance rifle lineup is designed for superior long-range accuracy, the ENDEAVOR line features a 20-inch barrel so that you can squeeze out every drop of ballistic performance from this exciting new caliber. Each rifle ships with one 30-round magazine.

All Products come with CMMG’s Lifetime Quality Guarantee.

Technical Specifications

Platform Mk4
Caliber 5.56x45mm, 5.56mm
Barrel Length 18
Barrel Twist 1:07
Barrel Contour MT
Barrel Material 416SS, SBN
Barrel Twist 1:07
Muzzle Device CMMG SV Brake
Muzzle Thread 1/2 X 28
Gas Port Location Rifle
Gas Block 0.750 Non-Adjustable
Upper Receiver Forged 7075-T6 AL M4 type upper
Lower Receiver AR15
Hand Guard CMMG RML15 M-LOK
Finish Hard Coat Anodized Receivers and Hand Guard (Can be upgraded to Cerakote)
Charging Handle CMMG Mil-Spec
Pistol Grip Magpul MOE
Receiver Extension CMMG A1 Extension
Stock / Brace Magpul MOE Rifle Stock
Trigger Type Mil-Spec Single Stage
Trigger Guard Magpul MOE
Safety Selector CMMG Mil-Spec
Magazine 30rd Magpul PMAG
Weight 7.1

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