Firenock, LLC

• Fits most standard diameter carbon shafts with internal diameter (ID) of 0.297" - 0.303"
• 24K Gold plated hermetically sealed "G" Switch, MTBF of 100,000 cycles
• 24K Gold plated connector for best reliability and corrosion resistance
• Weighs ~29 grains with the nock (~19 grains more than a standard flat nock (10 grains))
• Built with 11,000 LUX focus-beam LED
• Last up to 24 hrs, 48 hours with 1-hour increment burn

Package includes 1 F3 Pack and 1 Battery 3-pack

• 3 "H" Series Hunting circuits
• 3 matched weights
• 3 "F" style nocks in red
• 3 "F" style nocks in green
• 30 MIL Spec O-ring

  and

• 3 Batteries
• 3 Battery Pin O-rings

Click link learn  more about the 3 different battery's properties BR, BL , & BU

Standard Crossbow Bolts Fit List

• Barnett: same as Easton
• Bowtech: Striker Bolt
• Beman: ICS Thunderbolt®
• CarbonImpact: Ultra Bolt XLT 22
• Easton: Carbon ReelTree Power Bolts, Carbon Power bolt, 2219 (2216 read note below)
• Excalibur: same as Easton
• GoldTip: Laser II, Pro Laser II
• Horton: same as Easton
• TenPoint: Pro Elite

Use any Firenock on hard target like Spiderweb, small game, long term use,bolt  speed over 365fps, or if you choose longer shelf-life battery [BU], extreme shock battery end cap is mandatoryXpress. (only comes in 3-pack). Extreme Shock End Cap come standard to fit most carbon arrows, to fit 2219, one must request larger O-ring in order to work. 

2216 will need bigger O-ring to work, which do not come standard on the pack, and you will only get 12+3 o-rings instead of 30.