Ammo Inc. Signature 10mm Auto 180gr JHP — 500 Rounds

The Ammo Inc Signature 10mm is a volume JHP load in one of the most powerful semi-automatic handgun cartridges available — a 180-grain jacketed hollow point at 1,195 fps, producing approximately 572 ft-lbs at the muzzle.

At $1.06 per round for 500 rounds, this is the most affordable 10mm JHP in this category by a substantial margin.

Why 10mm — and Who Uses It

The 10mm Auto is not a general-purpose carry caliber — and the Ammo Inc Signature 10mm is aimed squarely at its specific audience:

Woods carry and bear country. The 10mm delivers significantly more muzzle energy than 9mm or .45 ACP. For hunters and hikers in bear habitat, a 180-grain JHP at 1,195 fps is a credible deterrent in a semi-automatic pistol format.

Maximum pistol power. Competitive shooters in USPSA and Steel Challenge run 10mm for major power factor. Handgun hunters use it on medium game. For shooters who want the most powerful common semi-automatic pistol cartridge, the Ammo Inc Signature 10mm is the volume option.

Force multiplier carry. A minority of concealed carriers specifically choose 10mm for maximum terminal performance in a semi-auto. The JHP is the right bullet type for this application.

180 Grains at 1,195 fps

At 180 grains and 1,195 fps, this is the Ammo Inc Signature 10mm loaded to full-power 10mm specifications — not downloaded to near-.40 S&W levels, which was a common complaint about early 10mm factory loads.

Full-power 10mm delivers approximately 570 ft-lbs of muzzle energy.

For comparison: 9mm 124gr produces roughly 364 ft-lbs; .45 ACP 230gr produces roughly 370 ft-lbs. The 10mm energy advantage is real and meaningful for the applications above.

JHP in 10mm — What to Expect

At 1,195 fps, a 180-grain JHP arrives at typical defensive distances with enough retained velocity for reliable expansion.

At extreme ranges or through heavy clothing, expansion may be less consistent — a general JHP limitation at high velocity, not specific to this load.

For bear defense specifically, many guides prefer hard-cast flat-nose bullets over JHP for deeper penetration through thick hide and bone.

The Ammo Inc Signature 10mm 180gr JHP is better suited to defensive carry and hunting applications where expansion is the priority.

Specifications

• Caliber: 10mm Auto
• Bullet: 180 grain, Jacketed Hollow Point (JHP)
• Muzzle velocity: 1,195 fps
• Muzzle energy: ~572 ft-lbs (calculated)
• Application: Defensive carry, woods carry, handgun hunting, competition
• Lead free: No
• Cartridge case: Brass, reloadable
• Primer: Centerfire
• Quantity: 500 rounds (25 × 20-round boxes)

Browse the 10mm ammunition category for other loads. Cartridge specifications are published by SAAMI and by Ammo Inc directly. Safe storage guidance is available from the NSSF.

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SHORT DESCRIPTION (above Add to Cart)

Ammo Inc. Signature 10mm Auto. 180-grain JHP, 1,195 fps, ~572 ft-lbs muzzle energy. Full-power 10mm specification — not downloaded. Brass case, reloadable. 500 rounds (25 × 20-round boxes). JHP — defensive carry, woods carry, handgun hunting. Not lead-free.

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💬 Before You Go — Running 10mm in the Field?

Using this for woods carry or bear country? Leave a review with the platform and your use case. 10mm buyers are a tight-knit community with strong opinions on load selection — your field report helps the next one. And if you came looking for a 10mm load we don’t carry, tell us. 🎯

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Please purchase and use ammunition responsibly and in accordance with all federal, state and local laws. Ammunition cannot be shipped to all jurisdictions — verify legal shipment to your address before ordering. Buyers must be at least 21 years of age for handgun ammunition. Not for sale to prohibited persons.

Frequently Asked Questions

Is this a full-power 10mm or a downloaded load? Full power — 180 grains at 1,195 fps is genuine 10mm specification, not the reduced loads that were commonly produced in the early 10mm era (which approached .40 S&W velocities).

Is 180gr JHP suitable for bear defense? JHP is a defensible choice in bear country, but many experienced guides prefer hard-cast flat-nose bullets for maximum penetration through thick hide and bone. If bear defense is your primary concern, research both options before choosing.

What makes 10mm different from .40 S&W? The .40 S&W was derived from the 10mm by shortening the case. Full-power 10mm produces significantly more energy (570+ ft-lbs) than .40 S&W (typically 400–450 ft-lbs). Many early 10mm factory loads were downloaded to near-.40 S&W levels; this load is not.

Is $1.06/round competitive for 10mm JHP? Yes — the other 10mm JHP loads in this category (Hornady Critical Duty 175gr, Nosler Defense 200gr) run considerably higher per round. This is the volume price option for the 10mm category.

Can I reload the brass? Yes — standard brass, Boxer-primed.

How many rounds is 500? 25 × 20-round boxes.

What’s the muzzle energy? ~572 ft-lbs calculated at 1,195 fps / 180gr. Not in the current spec table — confirm at ammoinc.com.

What pistols chamber 10mm Auto? Glock 20, Glock 29, Glock 40; Sig Sauer P220; Dan Wesson CBOB; Springfield Armory XDM; Colt Delta Elite; and others. Confirm your specific pistol’s compatibility before purchasing.