Here is the NPA 300 BLK HELO SR “companion” Rifle in select fire with a 6” upper and Surefire 7.62 Mini Suppressor specifically designed for LE, when shot with NPA HELO SR ammunition the shooter has the perceived recoil of a MP5 9mm.
Rifle was holding a 2" group @ 100 yards from a rest ( we used a 9x optic for test )
Test FBI Denim Protocol
HELO SR 300 BLK 125 grain Delayed Expansion Test Variant 3
Note that expansion does not take place until approximately 12" into gel, this is by design. With our patented bullet we can " program" the projectile to expand at any depth after impact within soft tissue maximizing damage to a vital organ without over penetrating. Projectile expanded 2X original diameter: