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SG 553 BK

Assault Rifle

SG 553 BK

The .300 AAC Blackout (designated by the VSV as 300 BLK) and 300 AAC Blackout by the CIP, also known as 7.62 x 35mm, is a carbine cartridge developed by the Advanced Armament Corporation (AAC) in the USA for use in the M4 carbine has been. The purpose is to bring about ballistic properties similar to the 7.62 x 39 mm cartridge. The 7.62 x 35 mm short cartridge can be used in an AR-15 with standard AR-15 magazine. However, it should be noted that 300 BLK ammunition is not used in a rifle with a chamber for 7.62 x 40 mm Wilson Tactical cartridges.

Delivered without optics. Silencer and fully automatic version only available with special permission!

Calibre.300 Wisper
Trigger pull weight35 N (3,5 kg)
Weight (empty)3.180 g
Weight with (30 rounds)3.900 g
Function principleGas operated
Bolt patternRotating bolt
Cycle rateapprox. 700 rd / min
Magazine capacity30
Length up to SD890 mm
Length to mouth780 mm
Height210 mm
Line of sight339 mm
Length of twist8“
No. of grooves4
Muzzle energy1.900 J
Mouth thread5/8“ - 28 UNEF
553 BK Ammuniation
553 BK HG