Aimshot BSB17 Laser Boresighter with External Battery Box 17 HMR Brass
http://www.tandktactical.com/shop/669256001713-aimshot-bsb17-laser-boresighter-with-external-battery-box-17-hmr-brass-14474
http://www.tandktactical.com/web/image/product.template/14474/image_1920?unique=a31facb
The 17 HMR laser bore sight is designed to make it quick and easy to bore sight your rifle and comes with an external battery box.
