Transport your rifle safely from range to wilderness with A-Zoom Snap Caps. Release the firing pin safely and witA-Zoom Rifle precision rifle snap caps are a perfect tool for adjusting and tuning your trigger pull. In addition, they help with offhand dry firing and smooth bolt cycling practice. Use A-Zoom Snap Caps for training new shooters on how to handle and fire a rifle. Shop Lyman today! hout damage on any rifle.