CMMG is introducing a new rifle chambered in .458 SOCOM. The gun was designed from AR10 platform, but is capable of accepting AR15 magazines as well. It uses modified AR-10 bolt carrier group designed by CMMG.
Iraqveteran8888 already has a review on it
Here are different models. (click more)
CMMG MkW ANVIL T:
Caliber: .458 SOCOM
Barrel: 16.1", 1:14 Twist, Medium Taper, 416SS, SBN
Muzzle: CMMG SV muzzle brake, Threaded 5/8-32
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: Billet 7075-T6 AL Mid-Size
Lower Receiver: Billet 7075-T6 AL Mid-Size
Trigger: Single Stage Mil-Spec Style Trigger
Furniture: Mil Spec Grip and Butt stock
Weight: 7.5 lbs (Unloaded)
Length: 33.5" (Stock Collapsed)
MSRP: $1,849.95
CMMG MkW ANVIL XBE:
Caliber: .458 SOCOM
Barrel: 16.1", 1:14 Twist, Medium Taper, 416SS, SBN
Muzzle: CMMG SV muzzle brake, Threaded 5/8-32
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: Billet 7075-T6 AL Mid-Size
Lower Receiver: Billet 7075-T6 AL Mid-Size
Trigger: Single Stage Mil-Spec Style Trigger
Furniture: Magpul MOE Pistol Grip & CTR Carbine Stock with 6-Position Receiver Extension
Weight: 7.5 lbs (Unloaded)
Length: 33.5" (Stock Collapsed)
MSRP: $1,949.95
CMMG MkW ANVIL XBE2:
Caliber: .458 SOCOM
Barrel: 16.1", 1:14 Twist, Medium Taper, 416SS, SBN
Muzzle: CMMG SV muzzle brake, Threaded 5/8-32
Hand Guard: CMMG RKM15 KeyMod
Upper Receiver: Billet 7075-T6 AL Mid-Size
Lower Receiver: Billet 7075-T6 AL Mid-Size
Trigger: Geissele SSA 2-Stage Trigger
Furniture: Magpul MOE Pistol Grip & CTR Carbine Stock with 6-Position Receiver Extension
Weight: 7.5 lbs (Unloaded)
Length: 33.5" (Stock Collapsed)
MSRP: $2,149.95
From: Shooting Wire, Iraqveteran8888