223/5.56 vs 6.5 Grendel vs 7.62x39 | 100 Yard Energy/Velocity Test

Testing the velocities and energy at the muzzle and 100 yards using 16” barrels in 5.56, 6.5 Grendel, and 7.62x39. Infinity Targets: Use code TGD15 for a 15% discount!!! https://www.avantlink.com/click.php?t... Legal Heat CCW Training and Classes https://mylegalheat.com/?lh=The+Gun+D... Discount code: TGD10 TGD shirts!! https://www.bonfire.com/store/the-gun... Instagram link: https://instagram.com/thegundungeon?u... Facebook link:   / the-gun-dungeon-107800058350259   Rumble link: https://rumble.com/account/content?ty... Patreon link: https://www.patreon.com/user?u=64364499 Check out my Linktree!