Check the listing for details. A-ZOOM Action Proving Dummy Round Snap Cap 7.7mm Japanese 2 Pack # 12264 New!. Condition: New. Listed at 24.84 USD. Action Proving Dummy Round Snap Cap 7.7mm Japanese Pack of 2 New 12264 A-Zoom precision rifle snap caps are a perfect tool for adjusting and tuning your trigger pull. In addition, they help with off hand dry firing and smooth bolt cycling practice. A-Zoom snap caps are unlike traditional plastic snap caps. They are individually CNC machined to precise cartridge dimensions from solid aluminum. They are then anodized with a hard coat finish that provides ultra-smooth functioning and long life. They are ideal for safety training, function testing, and teaching safety or storing your firearms with the spring relaxed for longer spring life. * Dry Fire Hit Rating: 3000+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We are a Factory Direct Dealer of A-Zoom. ALL MANUFACTURERS WARRANTIES WILL APPLY ! All of our products are BRAND NEW in the box;and contain all of the parts, materials and documentation. You can expect and will receive prompt delivery of your order. We will ship your order within ONE DAY!