Model

•  11.5" Barrel 5.56MM (2)
•  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)
•  A1 (4)
•  Grovtec HD Swivel Assembly (1)
•  Heavy Duty (1)
•  Lightweight Carbine Kit (1)
•  MBA-4 Carbine Stock (1)
•  Stripped (4)
•  Upper (2)
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Coating

•  Mag Phosphate (1)

Description

•  1/2 x 28 RH (1)
•  Complete Barrel Assembly w/BCG (7)
•  Forged (7)
•  Forward Assist/Ejection Port Cover Assembly Installed (1)
•  Push Button Swivel Assembly (1)

Barrel Length

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

Subcategory

•  Barrels (1)
•  Long Gun Parts (1)
•  Rifle Barrels (2)
•  Sling Hardware (1)
•  Tools (1)
•  Upper Receivers (15)

Type of Barrel

•  1:7 (1)

Material

•  4150 CroMoV (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)