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6.5 Grendel

Overview


The 6.5mm Grendel (6.5×39mm) is an intermediate cartridge designed by Arne Brennan, Bill Alexander and Janne Pohjoispää as a low-recoil, high-accuracy cartridge specifically for the AR-15 platform at medium/long range (200–800 yard). The 6.5mm Grendel design goal was to create an effective 200–800 yard STANAG magazine-length cartridge for the AR-15 that surpassed the performance of the native 5.56mm NATO/.223 Remington cartridge. Constrained by the dimension of the magazines, the Grendel designers decided to use a shorter, larger diameter case for higher powder volume while allowing space for long, streamlined, high-ballistic coefficient (BC) bullets. 

Stats


Ammunition Type Damage Bullet Velocity (m/s) Barrier Penetration Armor Piercing
PPU 110gr 10.7 830 1.8 4.4
TSX 120gr 11.5 810 2.15 4
TTSX 120gr 13.85 810 2.6 4
TTSX 100gr 12.45 850 1.6 5
AP 125gr 9 820 4.2 118
SLAP 85gr 8.41 1021 5.3 164
Lapua Hunter 265gr 17.41 680 5.3 10
Berger VLD 130gr 12.2 770 1.75 4
Wolf FMJ 100gr 12 850 1.9 5
Wolf FMJ 123gr 13.8 810 2.5 4
Note: Barrier penetration represents the rounds ability to go through walls and barriers. Armor piercing represents the rounds ability to penetrate body armor plates.