Description
The 6mm ARC is one of the smartest moves for AR-15 shooters who want serious ballistic performance without stepping up to a larger platform. This Hornady Custom load gives you what you need for hunting medium game and precision shooting in a lightweight, easy-to-handle package.
Why the 90-grain CX matters for 6mm ARC
Hornady's CX bullet is a one-piece copper alloy design that doesn't separate on impact. You get near-complete weight retention, deep penetration, and controlled expansion across a wide velocity range. The 90-grain weight sits right in the sweet spot for 6mm ARC versatility, working equally well whether you're reaching out past 300 yards or staying in closer for follow-up shots. At 2950 fps from a standard barrel, this load prints flat and keeps its energy downrange where it counts.
What makes Hornady Custom different
Every round is hand-inspected before it leaves the factory. The powder charges are uniform, primer seating is consistent, and the whole setup is tuned to deliver match-grade accuracy from a factory load. Hornady markets their Custom line as handload-quality ammunition, and they back it up with quality control that doesn't cut corners. These 20-round boxes come in reloadable brass cases, so after you shoot them, the brass still has value for handloaders.
Practical hunting and field performance
The 6mm ARC bridges a real gap for hunters. You get better ballistics than 5.56 NATO without the recoil and weight of larger cartridges like 308 Winchester. This 90-grain load works on deer, hogs, coyotes, and varmints depending on shot distance and placement. The secant ogive bullet profile helps with trajectory consistency, and the CX's high ballistic coefficient means less wind drift and better energy retention than older monolithic designs.
Key Specifications
- Caliber: 6mm ARC
- Bullet Weight: 90 grains
- Bullet Type: CX (Copper alloy eXpanding) monolithic
- Muzzle Velocity: 2950 fps
- Muzzle Energy: 1739 ft-lbs
- Ballistic Coefficient (G1): 0.418
- Case Type: Brass
- Reloadable: Yes
- Rounds Per Box: 20
- Product Line: Hornady Custom
- Manufacturer Part Number: 81612
- UPC: 090255816129
- Sectional Density: 0.195
- Suggested Application: Varmint, coyote, medium game hunting
What’s Included
- 20 rounds of Hornady Custom 6mm ARC ammunition
- 90 grain CX bullets
- Brass cases (reloadable)
Frequently Asked Questions
Is the Hornady Custom 6mm ARC 90gr CX suitable for deer hunting?
Yes, this load is designed for hunting medium-sized game including deer out to 300-500 yards depending on shot placement. The CX bullet's controlled expansion and deep penetration characteristics make it a solid choice for ethical deer hunting from AR-15 and bolt-action platforms.
Can I reload the brass from these Hornady Custom cases?
Absolutely. The cases are marked as reloadable, and Hornady brass is durable for multiple reloading cycles. You can also experiment with different bullet weights and velocities once you have the fired brass, giving you flexibility for varmint loads or match-grade custom loads.
How does the 90-grain CX compare to other 6mm ARC weights?
The 90-grain weight offers a good balance between velocity and energy for hunting applications. Lighter bullets (55-80 gr) excel at varmints, while heavier bullets (103-107 gr) are typically reserved for longer-range hunting. This 90-grain option splits the difference, making it versatile for multiple applications.
What is the CX bullet and why is it different from other monolithic designs?
The CX is Hornady's newest monolithic copper-alloy bullet with a refined aerodynamic design. Unlike earlier designs, it features smoothed groove edges that reduce drag and improve ballistic efficiency by 100-200 yards of effective range. The one-piece construction means no jacket separation and extremely high weight retention on impact.








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