Check the listing for details. Browning BAR Type II Gas System REBUILD KIT - Spring, Buffer, Regulator, Gasket. Color: Black, White, Condition: New. Listed at 47.50 USD. Browning BAR Type II Gas Operating System Rebuild Kit NEW Action Spring, Buffer, Gas Regulator & Gas Regulator Gasket If your gun is sluggish or not ejecting properly this kit is what you need. Over time the spring gets weak, the buffer crushes, the gasket leaks and the orifice clogs. Change them all at the same time and get your gun working properly again. We sell each part separately in our eBay store but you save money when you buy the kit. Available in the following calibers. See drop down menu to order the caliber you need. #1 243 Winchester #2 270 Winchester #3 280 Remington #4 30-06 Springfield #5 300 Winchester Magnum #6 308 Winchester #7 338 Winchester Magnum #8 7mm Remington Magnum No returns. No refunds. No International Shipping. This part should be installed by a qualified gunsmith. We ship within two business days of purchase via USPS mail.