MMC Arms"Cataclysm" AR-15
Featuring Aero Precision Upper Receiver
16" .458 SOCOM 1-14T 4150 CMV Heavy Barrel
Premium 15" M-Lok Handguard
(Assembled or Unassembled)
This Kit Features Aero Precision XL Engraved Upper Receiver With An Enlarged Ejection Port To Reliably Cycle The Larger Shell Casings. Upper Receiver Does Have"XL" Laser Engraved On Top Rail. Forged From 7075-T6 Aluminum, This Stripped Upper Is Precision Machined To Mil-Spec M16/M4 Specifications And Features M4 Feedramps. Match This Upper With One Of Our AR15 Lower Receivers For A Solid And Dependable Fit.
This Build Features An XX-Treme Barrel Co. Barrel Chambered In .458 SOCOM 16" Inches Heavy Barrel Profile. Made In The USA From 4150 CMV With A Manganese Phosphate Finish, In A 1:14 Twist Then Cryo Treated Making This A Very High-Quality Barrel.
This Upper Also Features A Davidson Defense Premium 15""Avalon" M-Lok Handguard. This Handguard Is Made From 6061 Aluminum And Has A Black Anodized Finish. This Handguard Is Optimized For Mounting A Variety Of Accessories.
This Upper Features A KAK Industries Phantom Style Muzzle Device. This Device Features An Aggressive Profile With 4 Prongs In The Front To Minimize Flash And Dissipate Gasses More Effectively.
Specifications: Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up to date shipping status.
Barrel MFG: XX-Treme Barrel Company
Barrel: 16" .458 SOCOM 4150 CMV Heavy Barrel
Twist Rate: 1-14T
Thread Pitch: 5/8x32
Gas System Length: Carbine
Upper: Aero XL AR-15 Upper Receiver W/ Enlarged Ejection Port
Handguard: Davidson Defense Premium "Avalon" 15" M-Lok Handguard
Gas Block: .936 Low Profile Steel Gas Block
Gas Tube: Tactical Superiority Stainless Steel Carbine Gas Tube
Muzzle Brake: KAK Industries 4 Prong Phantom Style Muzzle Brake
Forward Assist: DPMS Forward Assist Assembly
Ejection Port Door: DPMS AR-15 Ejection Port Door, Rod & Spring