AR-15Bolt face: 6.8 SPC
6.8 SPC Ballistics
Developed by US Army Marksmanship Unit and Remington for improved close to mid-range performance over 5.56. Heavier bullet, more energy, good hunting cartridge. Requires dedicated bolt and magazines.
Cartridge Specifications
SAAMI Max Pressure
Bullet Diameter
Case Length
Overall Length
Parent Case
Bolt Face
Min Barrel
Platform
Common Bullet Weights and Types
Hornady 110 gr BTHPSilver State Armory 115 gr
Effective Range by Application
Self-defense0 to 300 yd
Hunting medium game0 to 400 yd
Competition0 to 500 yd
Barrel Twist Rate Recommendations
85 to 115 gr1:11
115 gr and heavier1:10
Data Disclaimer
Ballistic data is approximate and varies by ammunition lot, barrel condition, altitude, and temperature. Data sourced from published SAAMI and manufacturer load data. Always confirm zero and trajectory with your specific firearm.
Detailed load data for 6.8 SPC is coming soon. In the meantime, review the specifications above and consult your ammunition manufacturer for load-specific trajectory.
Pick the right barrel
Twist rate should match the bullet weights you plan to shoot. See barrel steel grades, profiles, chamber types, and twist rate guidance on the barrel specs page, then jump into the builder to filter barrels chambered in 6.8 SPC.