SHOT 2025: Marck-15 Hydra 10mm H21 Is A Hard-Hitting PCC

By Zac K

Put a bigger hole in your target with the new 10mm pistol from Hydra.

Maine-based Hydra Weaponry has beefed up their pistol-caliber carbine game with a new 10mm option. At SHOT Show, they’re displaying their new Marck-15 Hydra 10mm H21, a new configuration of their Hydra semi-auto design.Hydra Weaponry @ TFB: Hydra Weaponry Introduces The Hydra 10 in 308 Win New Factory For Hydra Weaponry [SHOT 2024] Hydra Weaponry Has Survival Pistol and Modular AR Components Windham Weaponry reintroduces the MGI HydraHydra’s claim to fame has long been their switch-your-caliber AR-pattern designs, allowing them to run a wide range of calibers from a rifle with only a few basic parts changed out. In this case, the Marck-15 Hydra 10mm H21 is configured to use Glock-pattern magazines (chambered in 10mm, of course). The rifle comes with the Hydra Modular lower receiver, the 10mm H21 magazine well, the Hydra Quick Change Barrel Upper Receiver (QCB-D), a 16-inch Hydra 10mm Blowback Barrel, a 10mm Blowback Bolt, and a stock and pistol grip from B5 Systems.

Source: The Firearm Blog