Firenock has designed and built thirteen nock styles to fit nearly every arrow on the market.  All nocks from Firenock have a self-concentric design and are made of high quality plastic.  Each nock is high-precision molded and clearly identifiable by a style marking (e.g. J1 = "J" nock style, mold cavity number 1).


Nock Style

Arrow Fitting: ID"

Nock color available

A

Slim: 0.202"-0.204" ID

Red, Green, Clear, Blue, Yellow, Smoke, Wood

C

Clip on Crossbow: 0.300" ID with 0.125" serving

Red, Green, Clear

D

Clip on Crossbow: 0.298" ID with 0.165" serving

Red, Green, Clear

D2

Clip on Crossbow: 0.300" ID with 0.165" serving

Red, Green, Clear

E

Medium 0.232"-0.235" ID

Red, Green, Clear

F

Flat Crossbow: 0.298"-0.303" ID

Red, Green, Clear

G

Ultra slim 0.165"-0.1665" ID

Red, Green, Clear, Smoke, Wood

J

Clip on Crossbow: 0.300" ID with 0.155" serving

Red, Green, Clear

M

Moon Crossbow: 0.298"-0.303" ID

Red, Green, Clear

Q

Clip on Crossbow: 0.300" ID with 0.145" serving

Red, Green, Clear

S

Standard: 0.242"-0.246" ID

Red, Green, Clear, Blue, Yellow, Orange, Pink, Smoke, Wood

U

Clip on Crossbow: 0.300" ID with 0.135" serving

Red, Green, Clear

V

22 series: 0.300" ID with 0.115" serving

Red, Green, Clear

Y

Quarter Moon Crossbow: 0.283"-0.287" ID

Red, Green, Clear

For more details of Arrow Fitting, please refer to corresponding Firenock products.


How Many Color Combinations Are There?
    With these six LED colors and up to nine colors per nock style, there is a total of 54 color combinations available.  Examples of each of these 54 color combinations created by the different LED colors and the different nock colors are shown in the chart below.

What Color Combination is Best for Me?
    In most cases, a red nock with a red LED provides the brightest light.  It is the color combination considered the best and the one we recommend to most of our customers.  For fluorescent lit indoor shooting or for outdoor, moonless hunting, we recommend a blue LED on a blue nock.  For spring turkey hunting, we recommend a green LED on a green nock for a green background (i.e. grass.)  And for those with deuteranopia or red-green color blindness, we have found that the best combination of nock and LED is yellow on yellow or green on yellow.


Blue LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock

Clear LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock

Green LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock

Orange LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock

Red LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock

Yellow LED with Red, Green, Clear, Blue, Orange, Pink, Smoke, Wood, and Yellow nock


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