Product Description JTS JARMAG10: This replacement or spare magazine is compatible with your JTS M12AR. JTS JARMAG10 Magazine 12GA 10rd Black Polymer Fits JTS AR Shotgun at Classic Firearms Browse all Classic Firearms deals $30.99 In Stock at Classic Firearms Buy Now at Classic Firearms Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Jts MPN JARMAG10 Accessories Jts