Illustration of reproducibility obtainable in measurements of groove depths for barrels having an odd number of grooves (Measurements made on.32 cal. Smith & Wesson No. 82,406)
A. Land-groove diameter, using gauge having one „fin"
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Knife Throwing Techniques of the Ninja. span stylecolor: 000000Do you want to learn the art of throwing knives? Ever wondered how it is done to perfection every time? Well here is your chance. This book contains well over 50 pages of detailed information and illustrations all about the art of knife throwing. This intriguing book focuses on the ninja's techniques and training. This is a must for all martial artists and anyone wanting to learn the knife throwing techniques of the ninja.span