Steyr Stg.77 AUG assault rifle (Austria)
The drawing of the Steyr AUG prototype (circa 1974). From original patent. Notethe open sights instead of the latter built-in telescope sights
Same prototype drawing, major components: barrel group, receiver, plastic housing with magazine and trigger group (from top to bottom)
Steyr AUG A2 with Carbine configuration (shorter barrel) and with Picatinny-type rail installed instead of standard telescope sight
Steyr AUG A3 Carbine with 16inch barrel and optional forward grip / tactical flashlight and telescope sight
Steyr AUG A3 Carbine with 16inch barrel and special 40mm grenade launcher;grenade launcher sight is attached to the top of removable telescopic riflesight
Steyr AUG A3 in Sniper configuration, with heavier and longer 20inch barrel,detachable bipod and long-range telescopic sight
Comparison of various AUG barrels, from top to bottom: LMG/heavy barrel with bipod;standard rifle barrel; carbine barrel; SMG barrel.
Caliber: 5.56mm NATO (.223rem)
Action: Gas operated, rotating bolt
Overall length: 805 mm (with standard 508 mm barrel)
Barrel length: 508 mm (also 350 mm SMG, 407 mm Carbine or 621 mm LMG heavy barrel)
Weight: 3.8 kg unloaded (with standard 508 mm barrel)
Magazines: 30 or 42 rounds box magazines
Rate of fire: 650 rounds per minute
Effective range of fire: 450-500 meters with standard assault rifle barrel
FN SCAR: Mark 16 and Mark 17- Special Forces Combat Assault Rifle (USA/ Belgium)
FN SCAR-H / Mk.17 rifle prototype in CQC (Close Quarter Combat,short barrel) configuration,7.62x51 mm NATO version
FN SCAR-L / Mk.16 rifle partially disassembled; note additional quick-detachable barrel
Image: Christopher Rohling via CharlesCutshaw
5.56mmNATO FN SCAR-L / Mk.16 rifles of current (2007/2008) production, top to bottom in Long Barrel (LB), standard (Std) and Close Quarter Combat(CQC) configurations
Image: FNH USA
7.62mm NATO FN SCAR-H / Mk.17 rifles of current (2007/2008) production, topto bottom in Long Barrel (LB), bstandard (Std) and Close Quarter Combat(CQC) configurations
Image: FNH USA
Mk.16SCAR-L (Light) | Mk.17 SCAR-H (Heavy) | |
Caliber | 5.56x45 NATO | 7.62x51NATO basic 7.62x39 M43 and others additionally |
Overalllength, standard configuration | 850 mm(max) / 620 mm (min) | 997 mm (max) / 770 mm (min) |
Barrellength | 254mm/10" (CQC), 355mm/14" (Std), 457mm/18" (LB) | 330mm/13"(CQC), 406mm/16" (Std), 508mm/20" (LB) |
Weight | 3.5kg empty | 3.86 kg empty |
Rate of fire | 600rounds per minute | 600 rounds per minute |
Magazinecapacity | 30 rounds standard | 20rounds (7.62x51 NATO) 30 rounds (7.62x39 M43) |
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