Home / AR's / Birchwood Casey Barricade Pen Rust Protection – 1 fl. Oz pen Birchwood Casey Barricade Pen Rust Protection – 1 fl. Oz pen Category: AR's Product ID: 12419 Description Description Birchwood Casey Barricade Pen Rust Protection – 1 fl. Oz pen Related products Slip 2000 – Extreme Weapons Grease in syringe Birchwood Casey Gun stock – Sealer and filler 3 oz bottle AR15/AR10 Brass Catcher Canik – Barrel – Fits TP9 SFx; TP9 SFL