Lock and Load Premium 30-Caliber Refillable Brass Color Metal Case 3.5 INCH Ballpoint Pen - German Ink with Swiss Tip Refill A 50 caliber bullet replica pen with a metal casing (not Brass). The pen is chrome-plated, and lacquer-coated to help prevent tarnishing. The pen arrives with a High-Quality German Ink with Swiss Tip Refill. But the bullet case easily is refillable with a Bic refill. Not a real bullet. Completely inert and safe. NOTE: Some customers don't notice that this is a small pen and it stands 3.5 inches tall. Great for Gifts, Anniversaries, Stocking Stuffers, Fathers Day, Return Gifts, and Sports men!