“Design and Static Load Analysis Comparing Steel, Grey Cast Iron and Titanium Alloy As Materials for Breech Hinged Lugs in Recoil Weapons”. Advances in Military Technology 13, no. 2 (November 20, 2018): 265–275. Accessed May 4, 2024. https://www.aimt.cz/index.php/aimt/article/view/1255.