Variant pic threads, 6.5, 6.8, etc. Rudy's blog: pistol fn 57 (belgia) Fn 5.7×28mm
FN 5.7×28mm - Wikipedia
28mm fn cartridge cartridges wikipedia carbine 30mm similarly sized left right next
Fn belgia
Fn america five-seven mk iiWhich is the better long-distance round: 5.56 or 7.62? Fn mk fiveseven handguns firearmsVariant etc threads pic.
Fn 7x28 28mm nato derecha izquierda größenvergleich durchmesser geschosse gleichenWhich rifle round is better: 7.62 vs. 5.56 nato .
