HORNADY 338c (.338) 307gr BULLET SUB-X (ARC) 50/BX

Item #:	HRN33394
Price:	$48.99$44.09 SALE! You save 10%! $0.88 per piece Shipping: One flat fee of $12.95 per online order. Exclusions apply. Click for details.
Availability:	In Stock
MPN:	33394

Read 1 Review

Product Information

338 Cal .338 307 gr Sub‑X® Rifle Bullets

Sub‑X® (Subsonic — eXpanding) bullets deliver big results without a big bang! Designed to provide deep penetration below the speed of sound, Sub‑X® features a lead core. Long grooves in its gilding metal jacket combine with its flat profile and the patented Flex Tip® insert within the bullet’s hollowpoint cavity to help it expand reliably at low velocities. Cannelures provide positive case crimp, making Sub‑X® ideal for semiautomatic firearms.

EXPANDS AT SUBSONIC VELOCITIES: Patented Flex Tip® technology aids in expansion at velocities as low as 900 fps.
PROVEN PERFORMANCE: Meets FBI protocol for terminal ballistic test requirements.
POSITIVE CASE CRIMP: Lead core bullet with cannelured jacket provides positive case crimp for use in semiautomatics.
WIDE RANGE OF GUNS: Designed to fit, feed and function in a variety of firearms, including gas system guns.

This is not loaded ammunition.

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Technical Notes

Caliber: 338 Cal. .338

Product Line: Sub-X®

Sectional Density: .384

Ballistic Coefficient: .375 (G1)

Twist Rate: -

Weight: 307 GR

Application: Medium Game 50-300 lbs

Box Count: 50

Item #: 33394

Read 1 Reviews - Average Rating: 5 stars

Hornady .338 arc 307 Sub-x

By BRAD B. on Jun 15, 2026

The bullets are quite accurate and stable at subsonic velocities. Fired half a box so far testing loads with CFE-BLK and LiL' Gun powders. CFE was achieving around 986 fps and lil gun load was avg of 1055. Both test groups were coming in well under 1/2 MOA at 50 yds from an 8.5 inch barreled DPMS Kitty Kat .338 ARC running a Sig Tango MSR 1-6 LVPO with "horse-shoe" dot reticle. Would bet they would be stackin on top of each other with a standard fine line crosshair style. In fact I had several bullets do just that! Have not done any kinetic target testing yet, but hopin the feral hogs round the farm will help me out in that respect, lol. $0.88 a piece makes for some very frugal minded shooting. Won't be dropping any fun buttons in on this unit that's for sure. I already have my loads to my satisfaction, gonna get a couple more boxes and call it good for now.
shipping was fast and well packaged. Keep up the good work G&S!!