SIG SAUER 6.8mm Remington SPC 135 Grain CTT Brass Cased Rifle Ammo 20 Rounds. 8mm 135 Grain CTT Brass Cased Rifle Ammunition online at OpticsPlanet. This SIG SAUER Ammunition features Hollow Point (HP) bullets that deliver strong stopping power superior accuracy and predictability. With premium brass cases loaded with hollow point (hp) bullets. With amazing deals every day on Ammunition and other top-tier rifle ammo from trusted brands like SIG SAUER you re sure to find the perfect firepower for the hunting grounds or the range. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for SIG SAUER 6.8mm 135 Grain CTT Brass Cased Rifle Ammunition: Manufacturer: SIG SAUER Caliber: 6.8mm Remington SPC Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 135 grain Cartridge Case Material: Brass Primer Style: Centerfire Package Contents: SIG SAUER 6.8mm 135 Grain CTT Brass Cased Rifle Ammunition SIG SAUER CH68CTT135-20: 6.8mm 135 Grain CTT Brass Cased Rifle Ammo 20 Rounds