.17 Incinerator Based on .50 BMG Delivers Mach 5 Velocity!
In the world of varmint cartridges, it’s all about speed. Higher velocity delivers flatter trajectories, and more dramatic impacts on critters. To achieve higher speeds, handloaders have experimented with many extreme wildcats — big cases necked down to a smaller calibers. Here we present what may be the most extreme wildcat cartridge of all, the .17 Incinerator — a .50 BMG necked down to .17 caliber. Created by Ammo-One, a custom cartridge company, the .17 Incinerator offers blistering performance. The special lathe-turned 33gr projectiles* exit the barrel at 5883 Feet Per Second — that’s over Mach 5, five times the speed of sound!
Mach 5 is 3836.35 mph at sea level, which equates to 5626.64 Feet Per Second (FPS). The remarkable .17 Incinerator achieves this stunning velocity by burning over 230 grains of powder in a highly modified .50 BMG case. The velocity of this cartridge (still well over Mach 5 at 100 yards) delivers an incredible amount of energy on target. A hit literally vaporizes a varmint, as you can see from the image below.
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It takes a special barrel to shoot the .17 Incinerator. Kent Wilson of Ammo-One, who helped develop this extreme wildcat, explains: “The speeds are so great we had to use a custom 3-groove, polygonal-rifling 1:20″-twist barrel to keep the bullets from disintegrating on launch. The polygonal land/groove geometry reduces bullet engraving, which also helps keep the bullets in one piece. Also we must use solids — regular jacketed bullets can’t handle these speeds”.
Even More Speed — the .17 Incinerator Improved
While the .17 Incinerator is commercially available, there is an even more extreme “Improved” version of this case, with a radical 50-degree shoulder that yields even greater case capacity. The .17 Incinerator Improved (17 IN-IMP), shown below, can hold 20 grains more powder, promising velocities approaching Mach 5.5 or 6189.3 FPS. Now that’s really cookin’!
*Because of the ultra-high velocity generated by the .17 Incinerator, solid bullets must be used. Conventional jacketed projectiles would disintegrate before they reached the target.
