Long-stroke gas piston firearms

335 firearms that operate by long-stroke gas piston, across every maker and era in the catalogue, each structured the same way.

AK-74M

Introduced: 1991
Weight: 3.60 kg
Barrel: 415 mm

AK-9

Introduced: 2007
Weight: 3.80 kg
Barrel: 200 mm

AKM

Introduced: 1959
Weight: 3.06 kg
Barrel: 415 mm

AKMS

Introduced: 1959
Weight: 3.53 kg
Barrel: 415 mm

AKS

Introduced: 1950
Weight: 3.98 kg
Barrel: 415 mm

AKS-74U

Introduced: 1979
Weight: 2.71 kg
Barrel: 210 mm

AN-94 Abakan

Introduced: 1997
Weight: 3.85 kg
Barrel: 405 mm

AS Val

Introduced: 1987
Weight: 2.96 kg
Barrel: 200 mm

Alexander Arms .50 Beowulf

Introduced: 2001
Weight: 3.65 kg
Barrel: 419 mm

Alexander Arms Ulfberht

Introduced: 2013
Weight: 8.98 kg
Barrel: 699 mm

Amogh Carbine

Introduced: 2008
Weight: 2.95 kg
Barrel: 330 mm

Arsenal AR-M1

Introduced: 1998
Weight: 3.65 kg
Barrel: 415 mm

Arsenal AR-M9

Introduced: 2003
Weight: 3.85 kg
Barrel: 415 mm

Arsenal SAM5

Introduced: 2014
Weight: 3.62 kg
Barrel: 414 mm

Arsenal SAM7

Introduced: 2013
Weight: 3.63 kg
Barrel: 415 mm

Arsenal SAM7K

Introduced: 2014
Weight: 2.66 kg
Barrel: 216 mm

Arsenal SAM7R

Introduced: 2013
Weight: 3.63 kg
Barrel: 415 mm

Arsenal SAM7SF-56

Introduced: 2026
Weight: 3.24 kg
Barrel: 415 mm

Barrett REC10

Introduced: 2021
Weight: 4.08 kg
Barrel: 406 mm

Beretta BM59

Introduced: 1959
Weight: 4.40 kg
Barrel: 491 mm

Breda Modello 38

Introduced: 1938
Weight: 16.30 kg
Barrel: 600 mm

Breda PG Model 1935

Introduced: 1935
Weight: 5.20 kg
Barrel: 457 mm

Bren L4

Introduced: 1957
Weight: 10.00 kg
Barrel: 635 mm

Browning Automatic Rifle M1918A2

Introduced: 1940
Weight: 8.80 kg
Barrel: 610 mm

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