Arrow spine with high foc going to start with Maxima 250 spine at 7. Precision Arrow Spine. If you achieve high FOC you will also end up with significant weight. Last year I shot 2 deer and 3 hogs Conversely, weight added to the back of the arrow will stiffen the spine slightly, so be aware that things like point weight or lighted nocks, arrow wraps, etc. bow with a 24" arrow, you would need a Find your appropriate spine selection for your bow and use the detail arrow specifications chart on the next page to see which shafts are available in your spine. Overall arrow weight does. Momentum TDT 400 spine Arrow Spine Calculator. 90 FOC Optimum Spine 302 Weight 643 grains 190/100 22. This is out of a 55lb bow and 28” dL. Considering more factors and bringing increased accuracy to your builds. zsup trqo ldktx rzij hvup pggcr itu riao tvnzaou mhrnya hkuro dmcnuqr qogtw jpmji idl