The .510 DTC EUROP is a French

rifle A rifle is a long gun, long-barreled firearm designed for accurate shooting and higher stopping power, with a gun barrel, barrel that has a helical or spiralling pattern of grooves (rifling) cut into the bore wall. In keeping with their focus o ...

cartridge developed by Eric Danis of Dan Tec to comply with firearms legislation of

.50 BMG The .50 BMG (.50 Browning Machine Gun), also known as 12.7×99mm NATO, and designated as the 50 Browning by the C.I.P., is a caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 19 ...

rifles in Europe. The .510 DTC EUROP uses the same bullet as the .50 BMG, but has slightly different case dimensions. The case is shorter and uses a steeper shoulder than standard .50 BMG ammunition. .510 DTC cases can be made by shortening and then fire-forming .50 BMG cases. The new round has almost identical ballistics, but because of the different dimensions, rifles chambered for the .50 BMG cannot safely fire the .510 DTC, and vice versa, and therefore do not fall under the same legal prohibitions such as California's .50 Caliber BMG Regulation Act of 2004.

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Chamber Reamer Drawing
Pistol and rifle cartridges 12.7 mm firearms {{ammo-stub