Elevate your firearm's performance with the Tiger Rock Inc. ST-M-SP AR-15 Micro Buffer Tube Plug. Crafted from high-quality raw stainless steel, this component ensures exceptional durability and reliability. This steel recoil spring is specifically designed for Micro Stock BCG plugs, enhancing functionality in your AR-15 setup. Enjoy smooth cycling and reduced wear, making it an ideal choice for dedicated shooters. Constructed from high-quality raw stainless steel Secure fit on top of BCG plug Optimized for Micro Stock BCG plugs Promotes smooth cycling and minimizes wear Enhance your shooting experience with this reliable accessory from Tiger Rock Inc.