Description Same ammo is sold to U.S. military forces. Lake City headstamp. Crimped primer. Brass cases. Full metal jacket boattail bullet style. Visible iris. Do not use in non-standard 5.56mm chambers. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.