Valkyrie Arms Ltd., SA M3A1 semi auto carbine, .45acp $1,299.00 Add To Cart DescriptionSpecificationsShipping & PaymentAdditional Info. Valkyrie Arms Ltd., SA M3A1 semi-auto carbine, .45acp, wire stock, one mag. This is a legal copy of the WWII grease gun. Make sure you know your local and state laws before purchase. Item Number: 788520744 Shipping: Shipping: $35.00 Ask a Question About this Item