Live cost per round across 18 verified retailers. Tracked daily, no pay-to-play rankings.
Sierra 10mm 165gr Sports Master JHP 100/Box at Ammunition Depot — $37.99.
Week-over-week: $0.38/rd → $0.38/rd. 90-day average: $0.39/rd. Yesterday's floor: $0.38/rd.
DOPE tracks 10mm Auto ammunition pricing across 18 verified retailers daily. Cost per round (CPR) is the unit price normalized across box sizes — $0.30/rd is $0.30/rd whether you're buying a 50-round box or a 1,000-round case. Look for retailers with CPR at or below the average and you're getting a fair price.
This data refreshes every morning at 10 AM ET. The best deals tend to come from bulk purchases (1,000-round cases), holiday promotions, and remanufactured ammunition from reputable factories. Steel-case ammo is typically cheaper than brass-case but doesn't reload.