S5-DGIS
Semi-automatic
United Defense Mfg Corp's S5-DGIS rifles are variants of the M16 and M4 rifles and come in two types: The "F-series" are the military full automatic models. "S-series" are the semi-automatic models. These rifles are chambered in the time-tested 5.56 NATO round (5.56 x 45mm) and designed to hit point targets up to 600 meters (MER) with the use of a 14.5-inch barrel.

TECHNICAL SPECIFICATIONS
CALIBER
5.56 NATO
CLASSIFICATION
Commercial Sporting Rifle (S- series)
OPERATING SYSTEM
Direct Gas Impingement System (DGIS)
BARREL TYPE
Non-Glare, Matte Stainless Steel Semi Bull Barrel, AISI-410 or Black Manganese Parkerized 4150 Carbon Steel Ordnance Grade
RATE OF FIRE
Semi-automatic only (S- series)
BARREL LENGTH
8.5, 10.5, 11.5, 14.5, 16, 18, 20 and 22 inches
WEIGHT
3.0 kg to 4.0 kg
depends on the barrel length and type of handguard
MAXIMUM EFFECTIVE RANGE
600 meters (point target)
800 meters (area target)
14.5-INCH BARREL
FEED SYSTEM
30-round Detachable Magazine
LENGTH
depends on the buttstock and barrel length
TRIGGER
Single Stage
with a trigger pull averaging 5 lbs. with option for Two- Stage for Semi-auto Precision use
RIFLING
1 x 7 or 1 x 8 twist
FLASH HIDER
Shuriken
any type of tactical compensator or flash hider
ACCURACY
Maximum of two (2) MOA
using combat load M855 ammunition
BOLT CARRIER GROUP
Made of 8620 Steel
BODY COLOR
Anodized Black
MUZZLE VELOCITY
Approximately 3,100 ft/sec (M855)
