This is a Spike's Tactical Barrel chambered in 223 Remington, model SB51406-ML.
The mission is simple" strive to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun enthusiast" a competitive 3 gun shooter or a military or law enforcement professional" Spikes rifles will serve you well and won't let you down when it counts and Spikes guarantee it. The barrel is one of the most critical components of your build. Spikes only offer high quality barrels so you can be confident that your rifle will be off to a good start with which ever barrel you decide on.
Features:
Cold Hammer Forged Optimal Profile
20,000+ Round Service Life
Chrome Lined to M249 Spec
1/7 Twist Rate
1/2 X 28 Thread Pitch for Muzzle
5.56 Nato Chamber
.750 Gas Block Seat
M4 Feed Ramped Barrel Extension
MilSpec Phosphate Coating
Midlength Gas
