Tag: performance

Four PDW calibers: .22 WMR (Kel-Tec CMR-30 and PMR-30 SMG), .22 SCAMP (Colt SCAMP), 5.7x28mm FN (FN P90), and 4.6x30mm HK (HK MP7).

Modern Personal Defense Weapon Calibers 002: The 4.6x30mm HK

If the 5.7x28mm FN is the first successful modern PDW round, then the 4.6x30mm HK is the second, and its biggest rival. German firm Heckler and developed the microcaliber 4.6mm in the 1990s as a response to a NATO solicitation for a Personal Defense Weapon, to which [Read More…]

7.62x40 WT next to its parent, the 5.56mm. On the right are two .300 AAC Blackout rounds, alongside the green-tipped 5.56mm and shorter .221 Remington Fireball that serves as the round's parent case.