Anzio 20mm. Vulcan Anti Material Rifle
Encyclopedia
The Anzio Sniper Rifle 20mm is the first American anti-materiel rifle to start production with bore diameter in excess of .50 caliber in over 80 years. This series of anti-materiel rifles comes in three basic calibers, 20mm Vulcan, 14.5mm Russian, and recently Anzio 20/50 (technically a wildcat cartridge). Though 20mm Vulcan is the predominant chambering.

Anzio 20mm Anti Material Rifle

Anzio Ironworks 20mm and 20/50 dimensions
Weight: 59 to 130+ pounds
Overall Length: 6' 8"
Barrel Length: 49"
Maximum Range: 5000 Yards
Action: Bolt
Feed System: 3 round detachable box magazine
scope power: 32 or 64 X magnification


Other notable features include an optional three round detachable box/stick magazine, 49" barrel, and threaded muzzle to accept either a muzzle brake or suppressor.

Performance

At approximately 38,000 foot-pounds of kinetic energy, the 20mm Vulcan round fired out of the Anzio Rifle has over three times the power of the .50 BMG cartridge fired out of a comparable rifle, which is around 12,200 foot pounds of kinetic energy. The 600 Nitro Express, the second most powerful African Big Game Gun cartridge, and one of the most common, has around 8,200 foot pounds of kinetic energy, making the Anzio Rifle in 20mm Vulcan about 4.8 times as powerful as the 600 Nitro Express.

The Anzio 20/50 has approximately 22,000 foot-pounds of kinetic energy with an 800-grain bullet. It does this by effectively taking the .50 BMG projectile, which already is relatively large and travels extremely fast, and effectively increases the already supersonic bullet to over 1.8 times its normal flight velocity, creating more kinetic energy without the need for a larger and heavier projectile. Though its Kinetic energy is significantly lower than the Vulcan round, it is almost as effective due to its smaller surface area, meaning that it has less material to punch through, making it easier to penetrate, but the lighter bullet makes transferring energy over longer distances and into targets less efficient.
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