BCY Mercury Bowstring Material

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BCY Mercury Bowstring Material


We ship Monday through Friday, orders received on weekends or holidays will be processed the next business day.

Return Policy

Returns or Exchanges must be arranged within 7 days of receipt.

Returns must be unopened and in original packaging to receive return credit.

A 20% restocking fee is applied on non-string returns.  Due to the custom and specific nature of the product there are no returns on bow strings and/or cables.

All returns must get prior approval and an R/A number.  No returns will be accepted without an R/A number.  Please allow up to 2 weeks refund time for the process of returns. 

Returns must be sent to:
60X Custom Strings
1047 State Rt. 268
Cowansville, PA 16218

Defective items are not warranted by 60X Custom Strings. Returns of defective merchandise are subject to manufacturer approval.

When returning a product we recommend the use of an insured and trackable shipper such as USPS, UPS or FedEX. 60X Custom Strings does not refund shipping costs, or cover return shipping. We will not accept COD or damaged packages.

Mercury Bowstring

  • 100% SK99 Dyneema
  • Low Creep
  • Smaller diameter for a smoother, rounder string
  • Higher strength, high durability

Available in solid colors
Recommended strands: 32
Approximate feet per pound waxed: 13,000
Spool sizes: 1/8 lb., 1/4 lb., or 1 lb.


This product is not in stock and pre order only.  We place our orders with BCY each Monday and generally receive them in 7-10 business days.

1 Review Hide Reviews Show Reviews

  • 5
    Best alternative for 8190F

    Although it has some wax in the fibers it is very much like 8190F. I'm using the same strand count to get the diameter I need and I'm still getting 6-8 fps faster. After a light burnish I cannot tell a difference between the two materials. Great stuff !