The SCAR-S is a 5.56mm and the SCAR-H is 7.62mm
45 caliber Machine Gun and 50 caliber machine gun
a .45 caliber.
50. caliber machine gun....period
The Scar - L Costs $2700 USD
9x19mm
a .45 caliber.
Phosphating
The highest caliber machine gun in standard use is the .50 Cal. Gatling guns are used in 20mm caliber. XXXXXXXXX Russia and China use a heavy machine gun larger than the .50 cal BMG- it is the Vladmirov KDV (for the Russians), in caliber 14.5mm x 115.
See link below to the US Army Field Manual on the Caliber .50 M2 Machine Gun.
50 caliber for US forces
Yes. and just a correction the Thompson is not a machine gun its a sub machine gun because it shoots pistol caliber rounds get your facts straight
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