Service History- Launched in January 2014 for the S7-PVAR
Designed- 2013 for the S7-PVAR
Manufacturer- United Defense Mfg Corp, Philippines
Operating System- PVAR gas and piston, rotating bolt head, Letters of Patent Nos. 1-2009-000176 and 1-2011-000062, Philippines or the DGIS, conventional direct gas impingement system
Bolt Head – made of Carpenter 158 steel
Bolt Carrier Group – made of 8620 steel
Bolt Carrier- Monolithic one piece with a solid punch key for the PVAR and two piece with gas key for the DGIS
Cartridge- 7.62 NATO (7.62 x 51mm)
Barrel Type- Non-Glare, matte stainless steel bull barrel, AISI-416 or SS-410 Premium or the black parkerized carbon steel 4150 ordnance grade.
Barrel Length- Choice of 14.5, 16, 18, 20, 22, 24 and 25 inches
Rifling - 1 x 10 twist or 1 x 12 twist
Muzzle Velocity- Approximately 2,600 ft/sec
Maximum Effective Range (22-inch barrel)- 800 meters (point target) and 1,000 meters (area target)
Accuracy- Maximum of one (1) MOA using combat load M118LR ammunition. Tighter groupings can be achieved using match ammunition at bench rest.
Trigger- Single stage with a trigger pull averaging 5 lbs., with option for two-stage for semi-auto precision use.
Flash Hider- Choice of SHURIKEN flash hider (Letter of Patent No. 1-2013-000230, Philippines) or any type of tactical compensator or muzzle brake.
Weight- Around 5.5 kg to 6.5 kg without accessories, magazine unloaded
Length- approximately 44 inches (using 22-inch barrel)
Rate of Fire- Semi-automatic
Feed System- 10, 20 or 25-round detachable magazine
