後座力緩衝墊 槍口制退器 無後座力炮 後座作用 Arthur B. Alphin, Any Shot You Want, The A-Square Handloading and Rifle Manual, On Target Press, 1996. Edward F. Obert, Thermodynamics
the .30-40 Krag it replaced [自述来源] Sharpe, Philip B. Complete Guide to Handloading 3rd. New York: Funk & Wagnalls. 1953: 374. Canfield, Bruce N. From Poor