Model

•  .750 (1)
•  .750 Internal Bore (2)
•  .936 Internal Bore (1)
•  11.5" Lightweight Complete Upper (1)
•  16" Bull Barrel Complete Upper (1)
•  16" Lightweight Complete Upper (1)
•  18" MARK12 COMPLETE UPPER (1)
•  20" Bull Barrel Complete Upper (1)
•  24" Bull Barrel Complete Upper (1)
•  308 Lower Parts Kit (1)
•  A1 (4)
•  AR-15 (4)
•  Butt Plate Spacers (4-Pack) (1)
•  Buttstock Rail (1)
•  Delta Pack (1)
•  Gas Tube (4)
•  Lightweight Carbine Kit (1)
•  MBA-4 Carbine Stock (4)
•  Stripped (4)
•  Upper (2)

Coating

•  Manganese Phosphate (1)
•  Nitride (1)

Description

•  Bolt Gas Rings (2)
•  Carbine Latch Plate (1)
•  Carbine Length Gas Tube (1)
•  Castle Nut (1)
•  Complete Barrel Assembly w/BCG (7)
•  Delta Ring Assembly (1)
•  Fits MBA-1 & MBA-2 (1)
•  Fits MBA-1 & MBA-3 (1)
•  Forged (7)
•  Forward Assist/Ejection Port Cover Assembly Installed (1)
•  Gas Ring (2)
•  Lower Receiver Parts Kit 308 (1)
•  Mid Length Gas Tube (1)
•  Pistol Length Gas Tube (1)
•  Rifle Length Gas Tube (1)

Barrel Length

•  11.5" (1)
•  16" (3)
•  18" (1)
•  20" (1)
•  24" (1)

Subcategory

•  Adjustable Gas Blocks (1)
•  Barrel accessories (1)
•  Bolt Catch (1)
•  Bolt Releases (1)
•  Castle Nuts (1)
•  Forward Assist (2)
•  Long Gun Parts (20)
•  Pins (1)
•  Sling Hardware (1)
•  Upper Parts Kit (1)
•  Upper Receivers (15)

Diameter

•  .750" (1)

Material

•  Steel AISI 4140 (1)

Accessories

•  9" Palm Handguard Keymod (1)
•  15" Palm Handguard Keymod (5)
•  1913 Rail for Mounting Optics and Accessories (1)
•  Stock Assembly, Lower Parts Kit (1)

Quantity

•  10Pk (1)