Rock Island Armory Rock Ultra HC 10mm 5in 16rd

Description

If you’ve been looking for a 1911 that holds more than the standard eight rounds and packs the punch of a 10mm, the Rock Island Armory Rock Ultra HC in 10mm with a 5-inch barrel and 16-round magazine is a fine piece of iron. This is a full-size, double-stack pistol built for the shooter who appreciates traditional 1911 ergonomics but wants modern capacity for the dove field or the deer woods. Chambered in 10mm, it gives you the reach and thump to handle anything from paper targets to hogs, all in a package that feels like home in the hand.

Manufacturer	Rock Island Armory (Armscor)
Model	Rock Ultra HC
Material	Steel frame and slide
Compatibility	10mm Auto ammunition
Finish	Black parkerized coating
Weight	Approximately 42 ounces (per manufacturer specs)
Condition	New

Key Features

• Double-Stack 16-Round Magazine — This isn’t your granddaddy’s 1911. With 16 rounds of 10mm on tap, you’ve got the firepower for extended range sessions or defensive situations without constant reloading. Why it matters: More rounds mean more time shooting and less time fumbling with magazines in the field.
• 5-Inch Button-Rifled Barrel with Full-Length Guide Rod — The 5-inch barrel gives you maximum velocity from the 10mm cartridge, and the button rifling ensures consistent accuracy shot after shot. The full-length guide rod adds weight up front for reduced muzzle flip. Why it matters: You’ll hit what you aim at, whether it’s a steel plate at 25 yards or a coyote at 50.
• Textured G10 Grips — These grips are tough as nails and provide a positive purchase even with sweaty hands or gloves. Why it matters: No slipping when the action gets hot, keeping your control and confidence high.
• Ambidextrous Safety and Skeletonized Trigger — Left-handed or right-handed, this gun works for you. The skeletonized hammer and trigger reduce lock time and give a crisp break. Why it matters: Faster follow-up shots and a trigger that lets you shoot your best.
• Fiber-Optic Front Sight and Low-Profile Adjustable Rear Sight — The fiber-optic front picks up light like a firefly, and the rear adjusts for windage and elevation. Why it matters: Quick sight acquisition in low light and the ability to dial in your exact zero for different loads.

Who It’s For

This Rock Ultra HC is made for the southern shooter who loves a 1911 but needs more than seven or eight rounds. It’s perfect for the bird hunter who wants a sidearm that can handle a black bear charge, the range enthusiast who burns through 200 rounds a session, and the handgun hunter who trusts the 10mm for deer and hogs. If you’re a traditionalist who appreciates steel frames and parkerized finishes, but you don’t want to be left behind in the capacity race, this is your pistol.

Pros and Cons

Pros: High capacity for a 1911, accurate barrel, rugged G10 grips, ambidextrous controls, and a price that won’t break the bank at $595.81. The 10mm gives you serious power for hunting or defense.

Cons: The parkerized finish, while durable, can show holster wear over time—it’s not as slick as a modern cerakote. Also, the double-stack grip is thicker than a single-stack 1911, so shooters with smaller hands may need to adjust their hold. But that’s the trade-off for 16 rounds of 10mm.

Comparison

Feature	Rock Island Rock Ultra HC 10mm	Zev Technologies OZ9	Agency Arms AOS Glock 20
Caliber	10mm	9mm	10mm
Capacity	16 rounds	17 rounds	15 rounds
Barrel Length	5 inches	4.5 inches	4.6 inches
Frame Material	Steel	Aluminum/Steel	Polymer
Trigger	Skeletonized 1911	Flat-faced	Factory Glock
Price	$595.81	$2,500+	$1,800+
Best For	Traditionalists wanting capacity	Competition shooters	Custom Glock fans

FAQ

Is the Rock Ultra HC 10mm reliable with full-power 10mm loads?

Yes, according to Rock Island Armory specs, this pistol is built to handle full-power 10mm ammunition, including hunting loads. The dual recoil spring assembly and full-length guide rod manage the recoil well, and the ramp and feed geometry are designed for reliable feeding with hard-cast lead and jacketed hollow points.

Can I use standard 1911 holsters with this double-stack?

Standard single-stack 1911 holsters will not fit due to the thicker slide and frame. You’ll need a holster specifically made for double-stack 1911s or for the Rock Ultra HC model. Many Kydex makers offer options, and leather holsters can be custom-ordered.

What is the trigger pull weight on this pistol?

The skeletonized trigger breaks at approximately 4 to 5 pounds out of the box, per Rock Island Armory’s specifications. It’s crisp with a short reset, making it suitable for both range work and field use.

Does this pistol come with extra magazines?

It ships with one 16-round magazine. Additional magazines are available separately from Rock Island Armory and aftermarket sources. The double-stack 10mm magazines are specific to this model, so be sure to order the correct ones.

Is the Rock Ultra HC legal for hunting in states that require a 10mm?

Yes, the 10mm is legal for deer and hog hunting in most states that allow handguns for hunting. The 5-inch barrel and adjustable sights make it a capable hunting sidearm. Always check your local regulations before heading afield.

Trust the Rock Island Armory Rock Ultra HC 10mm 5in 16rd for your next hunt or range day. With over 250,000 1911-style pistols sold annually in the U.S. market, the Rock Ultra HC stands out as a value-packed option that doesn’t compromise on performance. Order today and get a traditional 1911 with the firepower you need.

✓ Nationwide delivery (all 50 states) | ✓ Ships 1-2 business days | ✓ 30-day returns | ✓ Secure checkout

Browse more Semi Auto Handguns or check out our 1911 Pistols and 10mm Pistols.

Last updated: April 2026