Spike's Tactical is a premier manufacturer of AR-15's and accessories. Spike's Tactical continually builds quality rifles and components which is why Spike's Tactical has a large following of die hard fans. This particular barrel features a mid-length gas system, a 1:7" twist rate and is threaded 1/2"x28.

Features and Specifications:
Manufacturer Number: SB51606-ML
5.56mm NATO Chamber (accepts .223 Remington)
16" Cold hammer forged barrel
1:7" Twist rate
Mid-length gas system port
.750" Gas block seat
Threaded concentric with 1/2"x28 Thread pitch
Chrome lined
HPT and MPI
M4 barrel extensions
Mil-spec phosphate finish on the outside
20,000+ round service life
Weighs 26.4 oz
Black