21. The muzzleloaders touched the hammers over their percussion caps . 22. The oldest, two 1821, powder magazines, and percussion caps . 23. Percussion cap systems relied on small copper caps that were filled with hammer was cocked.24. Once a percussion cap was placed on the nipple the gun was ready to fire. 25. The percussion cap is a small cylinder of copper or brass with one closed end. 26. The percussion cap , showed that rate of fire of breechloading firing pin rifles was much higher. 27. The bullet was then seated with the ramrod, and the nipple primed with a percussion cap . 28. Pulling the trigger releases a hammer that strikes the percussion cap and ignites the explosive primer. 29. The interior side of the multiple-chamber ring was lined with the corresponding 18 percussion cap nipples. 30. An inverted standard percussion cap was at the rear of the paper cartridge and hidden inside.
