DEZ Arms, Inc.

16" Ultra Match Grade 6.8 x 43mm SPC II Barrel, 16” 4150 chromoly vanadium (CMV), M4 cut extension, deep core drilling, 6.8x43 mm SPC SPEC II chamber, 1:10.5 twist, 6 groove, turned on center & stress relieved, pulled-button rifled, double hand lapped bore, special 11º target crown, 5/8x24 threaded muzzle, carbine length gas system, 26-33 RC hardening, black manganese phosphate finish (parkerized), hand brushed oil, particle tested & air gauged. The generous neck diameter and longer throat/leade of our SPCII chambered barrel resolves pressure issues of the former SPC. Exceptional accuracy, reliability and improved terminal ballistics reported over the 5.56/.223 at long range. This barrel is designed for police, SWAT, military use as well as medium to heavy game hunting with the capability of pushing a .277 caliber, 85gr bullet to over 2900 ft./sec., 110gr bullets over 2500 ft./sec. using factory loaded ammunition. 1:10 twist is compatible with all loads, hotter loads, SSA combat, extreme and maximum hand loads. M4 feed ramps for use with flat nose bullets. Compatible with most commercial ammunition loaded to the 1:10.5 SPC II chamber specs. Available in limited quantities.