DoubleTap Ammunition Controlled Expansion, 10MM, 135Gr, Jacketed Hollow Point, 20 Round Box 10MM135CE A perfect match for someone needing a high speed, low penetrating option for home defense or CCW. This loads offers 11.5" of penetration with .7" of expansion and EXTREME fragmentation throughout the wound channel. One of the most destructive rounds on target produced to date in the 10mm.