NAME (NATIVE) – Heckler und Koch 33A2 Zielfernrohr [Heckler and Koch 33A2 Telescopic Sight]
COUNTRY OF ORIGIN – Germany
DATE OF MANUFACTURE – 1966
CALIBER – 5.56x45mm
OVERALL LENGTH – 92 cm (36.22 in)
BARREL LENGTH – 39.9 cm (15.7 in) without flash hider
RIFLING (TYPE & TWIST) – Polygonal, 6-Grooves, Right-hand twist, 1 turn in 30.5 cm (12 in)
LOAD – M193 Ball, Spitzer-pointed full metal jacket
BULLET DIAMETER – 5.70 mm (0.224 in)
BULLET WEIGHT – 3.56 g (55 grains)
MUZZLE VELOCITY – 951 m/s (3,121 fps)
MUZZLE ENERGY – 1613 j (1190 ft/lb)
WEIGHT (EMPTY) – 3.65 kg (8 lb 1 oz)
WEIGHT (EMPTY) – 4.30 kg (9 lb 8 oz ) with telescopic sight
WEIGHT (LOADED) – 4.65 kg (10 lb 4 oz) with telescopic sight, loaded with 20 rounds M193 ball
WEIGHT (MOUNTED) – 5.25 kg (11 lb 9 oz) with bipod and telescopic sight, loaded with 20 rounds M193 ball
TYPE OF MOUNT – Folding removable bipod
WEIGHT OF MOUNT – 0.60 kg (1 lb 5 oz)
SIGHTS – Open, iron, adjustable, Front sight – Post in hooded sight ring, Rear sight – Rotary vertical drum with diopter and V-notch sights, V-notch and #2 peep are set for 200 meters (219 yards), #3 Peep is for 300 meters (328 yards) and #4 peep is for 400 meters (438 yards). Rear sight is screw adjustable for windage and elevation for zero.
OPTICAL SIGHT – Hensoldt 4 x 24
OPTICAL SIGHT WEIGHT – 0.65 kg (1 lb 7 oz) with mounting assembly
OPTICAL SIGHT MAGNIFICATION – 4 Power
OPTICAL SIGHT FIELD OF VIEW – 5 degrees 40 minutes – 10 m @ 100 m (30 ft @100 yds)
OPTICAL SIGHT ADJUSTMENTS –100 to 600 m in 100 m increments (109 to 656 yards in 109 yard increments)
EFFECTIVE RANGE – 400 m (438 yards)
OPERATION – Blowback, Delayed roller locked bolt system