The Black Eagle FOCOS Brass Weights allow you to add front of center weight to your outserts. Great for fine tuning your set-up and maximizing your FOC. FOCOS means "Front Of Center Outsert System." It's Black Eagle's very own patent pending system for adding FOC weight to your .166" micro-diameter... arrows. Available in three different weights of 10, 20, and 30 grains. They are stackable, allowing you to fine tune your FOC for ideal down range accuracy. Works with all .166" inside diameter shafts, including Black Eagle Instinct and Gold Tip Kinetic Pierce. Use the FOCOS Weight Tool to add FOCOS brass weights to your outserts after they've already been installed in your arrow. Sold by the dozen. Available in 10, 20, and 30 grains. Please specify.
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Quick Delivery
The FOCUS weights arrived very quickly, they were easy to install during arrow build with the Black Eagle weight tool. Will make fine tuning the optimal FOC and spine much easier to maximize arrow flight and penetration.
Yes they will work on the BE half outs.
The standard outsert for the Instincts are not threaded to accept weights. You will need to FOCOS outsert system. https://www.3riversarchery.com/black-eagle-instinct-focos-outserts.html
These are for their Micro diameter shafts. You need the .2445 Vintage weights
These will screw into the back of compatible inserts or outserts not on the front end.