Easton FMJ 4MM Carbon ShaftingItem Number: 67421X
$240.99 $240.99
Made in the US
Easton FMJ 4MM Carbon Shafting

Easton FMJ 4MM Carbon Shafting

Item Number: 67421X
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$240.99 $240.99
Made in the US


In Stock

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Easton loves a challenge. And there's no bigger challenge than improving on their hugely popular Full Metal Jacket arrow shaft. But they've done it by packing all the power of the original into a new 4MM micro diameter (.166" inside diameter) shaft. The FMJ 4MM will give you unmatched knockdown power!

The Precision 7075 alloy jacket is bonded to a carbon core to provide minimal friction and extraordinary strength. Pair that with the included outserts for increased FOC. You'll get deeper penetration and increased likelihood of pass-throughs on even the toughest of big game.

  • Features
  • Straightness: ±0.002"
  • Weight: ±2 grains
  • 4MM micro diameter carbon-fiber core with 7075 aluminum metal jacket
  • Increased kinetic energy
  • Better penetration
  • Lower friction
  • 4MM MicroLite nocks are installed
  • 4MM 8-32 aluminum half-out inserts (50 grains each) are included
  • Sold by the 12-pack

See all Easton products

4MM FMJ Carbon Shafting Specifics

Deflection/SpinePointGPILengthInsertNock
4005/16"9.831.5"4MM Half-Out (50 gr)MicroLite
3405/16"1132"4MM Half-Out (50 gr)MicroLite
3005/16"11.732.5"4MM Half-Out (50 gr)MicroLite
2505/16"12.333"4MM Half-Out (50 gr)MicroLite
Tolerances Straightness: ±0.002" Weight: ±2 grains

Services Available Any service requested may delay shipment. Items with services applied are non-refundable.

Cut Shafts to Length:  Have your carbon arrows cut to length. The length is measured from the valley of the nock to the end of the shaft. Minimum length is 27". Tolerance for cut length is ±1/16".

Install Point Inserts:  Choose this option to have our experts install your Point Inserts in your shafts. We use epoxy style adhesives on all inserts and most points. Once they are installed, they are permanent. If you want us to use different inserts or adapters (i.e. brass point inserts), please put a comment on your order during checkout referencing what item numbers to use together.

Standard Fletch:  Our experienced fletchers will 3-fletch your arrow shafting with 5" shield left wing turkey feathers. The cock feather will be traditional barred and the two hen feathers will be your choice of white, yellow, red, or fluorescent lime (same color for all arrows). Hen feather color can be requested and will be fletched on a CLEAR cap wrap. No substitutions. Allow 4-7 additional business days for your order to be processed.

If you prefer to customize your shaft with additional options, please use our Arrow Builder

See Printable Shaft Selection Chart PDF

Review Arrow Safety

Warning: Cancer and Reproductive Harm
www.P65Warnings.ca.gov