Designed for reliable use in semi-automatic rifles, this ammuniition cycles well in quick-repeating Biathlon rifles, and is a little 'hotter' so carries more energy down-range to the target.  Great for knocking down targets with 'split rounds!'  A quality and affordable training ammunition, it has tested very well in a variety of rifles, even down to -20C!  40g Bullet, 345 m/s velocity.  Find full specs here:  https://sk-ammunition.com/products/semi-auto-rifle/