HK HK45 .45 ACP
Model: 81000026
HK HK45 .45 ACP
Model: 81000026
Full Specifications
About This Firearm
The HK HK45 is a full-size hammer-fired .45 ACP built for duty use and home defense. It has an MSRP of $949. A MIL-STD-1913 Picatinny rail is molded into the polymer frame's dust cover, so a current weapon light clamps straight on with no adapter.
This version is HK's V1 configuration, with the combined safety and decocking lever on the left side, and it comes with two 10-round magazines. The grip takes interchangeable backstraps. The first pull is double action at 11.46 lb and the rest break at 4.5 lb single action, so the decocking lever gets used every time the gun is made ready to holster. The slide has no optic cut. At 8.03 inches overall, 5.91 inches tall and 1.54 inches across, this is a wide pistol.
If you're cross-shopping, the HK USP is the older HK .45 at an MSRP of $1,299, 1.26 inches wide on a 4.41-inch barrel and 31.3 oz, with the same single-action pull and the same magazine capacity. The Sig Sauer P220 Nitron has no safety lever, just a decocker, on an alloy frame, 30.4 oz with eight rounds and SIGLITE night sights, although Sig has retired it, so that one is a used buy.
Best For
Strengths & Limitations
- A standard Picatinny rail molded into the frame, so light choice is not limited to one maker’s pattern.
- Interchangeable backstraps, which change the reach to a double-action trigger without new parts.
- The barrel uses a 1:16 twist, the standard .45 ACP pitch, so any factory load for the cartridge is within what it stabilizes.
- No optic cut and no factory optics-ready version, so a dot means sending the slide out.
- Two trigger pulls to learn, and the double-action stroke is heavy enough that dry practice on it is the first job.
- HK45 magazines are specific to the HK45 family, so spares are not shared with the USP.
Category Rankings
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Smith & Wesson M&P 45 M2.0 .45 ACP
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Sig Sauer P320 Full Size .45 ACP
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Sig Sauer P220 Nitron .45 ACP
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Glock G21 Gen5 MOS .45 ACP
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Frequently Asked Questions
Do USP magazines fit the HK45?
No. The HK45 uses its own magazine body, and the USP .45 magazine is a different body.
What does the V1 designation mean?
It describes the control layout. V1 is double action and single action with the combined safety and decocking lever on the left side, which is the common commercial configuration.
What is the frame made of?
Polymer, with the Picatinny rail molded into the dust cover instead of bolted on.
Where is it made?
In Germany.
