Transform your AR-15 configuration with the Tiger Rock A2SPACER, a crucial accessory designed to convert any A1 buffer tube for A2 fixed stock compatibility. Constructed from durable T6-6061 aluminum, this Mil-Spec spacer combines strength and a lightweight design, ensuring exceptional performance without added bulk. Durable T6-6061 aluminum construction Sleek black anodized finish for wear and corrosion resistance Precise measurement of 1.0625 inches for secure fit Easy installation with existing components Compatible with Mil-Spec standards Elevate your shooting experience and enjoy enhanced comfort and stability with the Tiger Rock A2SPACER.