Gas operated firearms

397 firearms that operate by gas operated, across every maker and era in the catalogue, each structured the same way.

ArmaLite AR-10A4

Introduced: 1996
Weight: 4.08 kg
Barrel: 406 mm

Armsan A612

Introduced: 2015
Weight: 3.00 kg
Barrel: 711 mm

Armsan RS-X2

Introduced: Not recorded
Weight: 3.20 kg
Barrel: 610 mm

Armscor VR60

Introduced: 2018
Weight: 3.36 kg
Barrel: 508 mm

Armscor VR70

Introduced: 2022
Weight: 2.90 kg
Barrel: 508 mm

Armscor VR80

Introduced: 2019
Weight: 3.75 kg
Barrel: 508 mm

Armscor VRF14

Introduced: 2021
Weight: 2.99 kg
Barrel: 356 mm

Arsenal SLR-107R

Introduced: 2011
Weight: 3.31 kg
Barrel: 415 mm

Atchisson AA-12

Introduced: 2005
Weight: 4.76 kg
Barrel: 457 mm

B&T APC300 PRO

Introduced: Not recorded
Weight: Not recorded
Barrel: 222 mm

B&T APC556

Introduced: 2011
Weight: 3.57 kg
Barrel: 310 mm

BESA Machine Gun

Introduced: 1939
Weight: 21.65 kg
Barrel: 740 mm

BESAL

Introduced: 1940
Weight: 9.80 kg
Barrel: 558 mm

BSA Defiant

Introduced: 2016
Weight: 4.10 kg
Barrel: 470 mm

BSA Gold Star SE

Introduced: 2014
Weight: 3.20 kg
Barrel: 385 mm

BSA Scorpion SE

Introduced: 2011
Weight: 3.10 kg
Barrel: 470 mm

Baikal MP-151

Introduced: 1998
Weight: 3.50 kg
Barrel: 680 mm

Baikal MP-153

Introduced: 2000
Weight: 3.50 kg
Barrel: 750 mm

Baikal MP-154

Introduced: Not recorded
Weight: 3.50 kg
Barrel: 710 mm

Baikal MP-155

Introduced: 2011
Weight: 3.25 kg
Barrel: 750 mm

Baikal MP-155K

Introduced: 2014
Weight: 3.50 kg
Barrel: 510 mm

Barrett Model 98

Introduced: 1998
Weight: Not recorded
Barrel: Not recorded

Beretta A300 Ultima Patrol

Introduced: 2023
Weight: 3.23 kg
Barrel: 485 mm

Beretta A300 Ultima Patrol 20 Gauge

Introduced: 2026
Weight: 2.72 kg
Barrel: 485 mm

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