Check the listing for details. Steel Side Rail Mount for 7.62x39mm - Longer Version. Color: Silver, Condition: New. Listed at 14.85 USD. It is NOT powder metallurgy, it made by Lost Wax of Carbon Steel C1045Tensile Strength: 600MPaElogation at yield 16%Precision Made and Naver BrokenLength: 5.33" SHIPPING: **FREE SHIPPING**Shipped USA domestic only! No international shipping!All orders will be shipped within 1 business days after the payment is cleared.The tracking number will be sent email to you.USPS First Class Shipping Service: 2-5 Business DaysRETURNS:30-day no questions asked return policy. Return items must be returned in new condition with all original parts and packaging.Free Return Shipping.We have 100% satisfactory guarantee. Our goal is to keep our customers beyond statisfied. If you are not satisfied with your purchase, or if by any chance you do receive a defective item please contact us and we will help to resolve your problem.All products are guaranteed for two year.