CMMG Resolute 100 series .350 Legend Complete Upper Carbine Length - 16.1"

Manufactured by CMMG
SKU: 35B5FB4
MPN: 35B5FB4
Manufactured by CMMG
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The world’s fastest straight walled hunting cartridge is now available in the CMMG Resolute 100 Series AR-15 pattern rifles. This complete upper receiver group is still compatible with Mil-Spec AR-15 lower receivers and parts but features a cartridge that packs more energy and less recoil than other similar bullets. In order to properly use this straight walled cartridge, the Resolute complete upper receiver features a 16.1” barrel with a slow 1:16 twist rate. The barrel is made from 4140 Chrome Moly steel with a salt bath Nitride finish and a medium taper. The carbine length gas system helps to reliably cycle the action even with a standard AR-15 buffer system and is protected by the 15” M-LOK handguard. Attached to the end of the barrel is a 9mm A2 style compensator with 1/2x28 thread pitch. If you are looking for the latest in greatest in a semi-automatic hunting platform, the CMMG Resolute chambered in .350 Legend should be at the top of your list.

  • Chambered in .350 Legend with a 16.1” barrel
  • Medium taper profile with Nitride finish
  • 1:16 twist rate
  • 4140 Chrome Moly Steel
  • 1/2x28 threaded compensator
  • Carbine gas system
  • 15” M-LOK handguard
  • 7075-T6 aluminum upper
  • Compatible with Mil-Spec AR-15 components
  • Only proprietary components are barrel and magazine

Like the rest of the Resolute line up, the upper receiver is forged from 7075-T6 aluminum and hardcoat anodized for additional protection. Outfitted with standard AR-15 components including the bolt and carrier, so you can easily upgrade parts in the future. The only proprietary components on this build are the barrel and magazines. The upper by itself only weighs 4 pounds and 5 ounces, so attaching a lower will keep it at a respectable overall weight for carrying out in the field.

A leading manufacturer of AR-15 rifles, kits, and accessories, CMMG Inc. was established in 2002. Constantly pushing the edge, CMMG strives to develop and improve bringing you a product lineup that is second to none.
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Barrel CoatingSalt Bath Nitride
Barrel ContourMedium Taper
Barrel Length16.1
Barrel LiningSalt Bath Nitride
Barrel Material4140 Chrome Moly Steel
Caliber Gauge.350 Legend
Gas System LengthCarbine
Gas System TypeDirect Impingement
Handguard15 in M-LOK Rail
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:16
Weight4 lbs 5 oz.

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

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