Grain Per Pound versus Grains Per Inch
JJ at Bob Lee Bows explains the importance of calculating the correct Grains Per Pound (GPP) for the arrows you pair with your traditional bow, and he’ll explain why Grains Per Inch (GPI) is so often confused with this critical measurement and how to distinguish between the two for the best performance (and protection) of your recurve or longbow.
About The Author
JONATHAN "JJ" JACKSON
Jonathan “JJ” Jackson represents the third-generation bowyer in a family of archery aficionados. From age 16, JJ was mentored under Bob Lee, an early pioneer in the traditional archery realm and an inductee into the Archery Hall of Fame and Bowhunters Hall of Fame. After Bob’s passing, JJ continued his apprenticeship under his stepdad - and Bob’s son - Rob Lee. For well over two decades, JJ has held a strong presence in the traditional archery arena, cementing his respective positions as an accomplished bowyer and seasoned expert in the sport of instinctive shooting.



