This barrel comes with a pinned, low profile gas block. Gas block is Nitrided and made from 4140 steel.

Length: 18"
Chamber: .223 Wylde
Material: 416R Stainless Steel
Barrel Profile: SPR
Barrel Finish: QPQ Nitride
Gas System: Rifle Length
Gas Block: .750"
Twist Rate: 1/8
Muzzle: 1/2 x 28 Threaded
Magnetic Particle Inspected (MPI)
High Pressure Tested (HPT)
11 Degree Target Crown
Sub-MOA Accuracy Guarantee with Match-Grade Ammunition and proper shooting techniques.
MADE IN USA. LIFETIME WARRANTY.