Directory / Heckler & Koch / 9x19mm Parabellum / USP / USP9 (V1)
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Heckler & Koch USP9 (V1)

Heckler & Koch lists the USP9 in its V1 double-action/single-action configuration as a short-recoil-operated 9 mm pistol with a 108 mm polygonal barrel, a fibre-reinforced polymer frame, a safety and decocking lever on the left, fixed sights, and two 15-round magazines.

Scope note: ID number 81000307, "USP9, 9mm, (V1) DA/SA, safety/decocking lever on left, two 15rd magazines", UPC 642230261495.
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Sourced from Web Archive captures of hk-usa.com, which serves a Cloudflare interstitial to every request — see the VP9 record for the reasoning and for why heckler-koch.com cannot substitute. Live product, so this is as-published at 2025-02-16 and may drift. ONE PAGE, THREE CHAMBERINGS, AND THIS RECORD IS THE 9 MM ROW. HK's dimension table gives a separate row for 9 mm x 19, .45 AUTO and .40 S&W, and they genuinely differ: the .45 is 201 mm long against the 9 mm's 195 mm, 142.5 mm tall against 135 mm, with a 112 mm barrel against 108 mm. The .45 and .40 are separate records under the base-model rule and their figures are NOT recorded here; nothing was carried across, which matters more than usual on a page that presents all three as one product. HK LABELS ITS AXES AND ITS COLUMNS, WHICH MAKES THIS THE EASIEST SOURCE IN THE DIRECTORY TO READ. The dimension headings are "Overall length", "Overall height" and "Overall width" — no Staccato-style unlabeled triple to derive, no S&W-style "Frame Width" ambiguity — and the weight column is headed "Without magazine", which answers the basis question outright rather than leaving it to be inferred. Both unit systems are published, so nothing here is converted except the trigger pulls. THE TRIGGER-ACTION AND CAPACITY ROWS ARE SETTLED BY THE SKU, NOT THE SPEC TABLE, AND THE DIFFERENCE IS LARGE. HK's specification row reads "SA/DA, DAO" and "10/15 Rounds" — two trigger systems and two capacities, with neither designated, because the page covers the whole USP9 line. The catalogue table below it resolves both: this record is variant V1, which HK defines in its own variants list as "Double action/single action with 'SAFE' position", shipping two 15-round magazines. So `triggerAction` is da/sa and the standard capacity is 15, with 10 recorded as the optional figure HK also publishes. The V7 LEM configurations (81000311 and its siblings), the night-sight configurations, the whole USP9 Expert line and the .45 and .40 chamberings are all separate listings. SECOND RECORD IN THE DIRECTORY WITH A DA/SA TRIGGER-PULL PAIR, after the CZ Shadow 2. HK publishes 20 N (SA) and 51 N (DA) — newtons only, so both pound figures are this directory's conversions and flagged, the mirror of Glock's newtons-published records. Recording either figure alone would have produced a number that looks comparable to a striker pistol's single pull and is not, which is the error the list-of-labeled-pulls shape exists to prevent. THE OPERATING SYSTEM COMES FROM THE MANUAL AND THE PRODUCT PAGE COULD NOT HAVE SUPPLIED IT. The page says the USP uses "a modified Browning-type action", which names a locking method rather than a cycling class — the same wording the VP9 page uses, and refused there for the same reason the CZ Shadow 2's "locked breech system" was. The archived operator's manual states the axis directly: "The USP Series Pistols are short recoil operated. They use a modified Browning style system, without a link, to lock and unlock the barrel." So `operatingSystem` is recoil-operated, footnoted to the manual via `operatingSystemSource` rather than to the page that does not say it. IGNITION IS RECORDED FROM THE MANUAL TOO, AND THE EVIDENCE IS AN OPERATING DESCRIPTION RATHER THAN A ONE-LINE CLASSIFICATION — worth stating plainly so the reader can judge it. The product page never uses the word "hammer" at all; a "safety/decocking lever" in a SKU description is a control, not an ignition statement, and would have been refused on the TaurusTX 22 rule. The manual describes the firing cycle itself: the slide "cocks the hammer" as it moves rearward and "automatically recocks the hammer after each shot is fired", the double-action instruction has the shooter pull the trigger with "the hammer now in the uncocked (up) position" to fire, and the passive safeties include a hammer rebound spring and a firing pin block. That is the ignition mechanism described on its own axis, which is the standard the CZ Shadow 2's manual met; no single sentence in this manual says "hammer-fired". A DEFECT IN HK'S OWN WEIGHT TABLE, RECORDED BECAUSE THE CHECKING HABIT FOUND IT. The table has "Without magazine" and "Magazine" columns; the .45 row gives a sensible 98.9 g magazine, but the 9 mm row repeats 770 g — the pistol's own weight — as its magazine weight, and the .40 row gives 830 g. Two of three magazine cells are wrong by an order of magnitude. It does not touch this record, which takes only the "Without magazine" figure, and there is no schema field for magazine weight in any case; it is noted because it bears on how much the rest of the table should be trusted, and the rest was checked: 195 mm/7.68 in, 135 mm/5.31 in, 32 mm/1.26 in, 108 mm/4.25 in and 770 g/27.20 oz all reconcile within rounding. Frame class is unset — HK publishes none for the USP, and its "full-size and compact models" phrasing describes the line rather than classifying this pistol. Year introduced is unrecorded: the page carries no date and no HK announcement for a pistol of this age was found in the archive, following the TaurusTX 22 and PSA Dagger. Warranty is HK's class-scoped Lifetime Limited Warranty, recorded with its conditions as on the VP9 and CC9. Also published and unrecorded for want of a schema field: a 158 mm / 6.22 in sight radius, a polygonal bore profile, a corrosion-proof fibre-reinforced polymer frame, a patented recoil reduction system, a Lock-Out safety device, fixed sights, and the $1,119 MSRP.

Reference fields

ManufacturerHeckler & Koch[1]
Manufacturer seriesUSP
Firearm categoryHandgun[1]
Manufacturer chambering9 mm x 19[1]
GenerationNot yet verified
Manufacturer listingListed by HK as ID number 81000307, "USP9, 9mm, (V1) DA/SA, safety/decocking lever on left, two 15rd magazines", UPC 642230261495[1]
IgnitionHammer-fired[2]
Trigger actionDouble-action / single-action[1]
Operating systemRecoil-operated[2]
Slide finishNot yet verified
ControlsSafety and decocking lever on the left; fixed sights; extended slide release; patented Lock-Out safety device on a corrosion-proof fibre-reinforced polymer frame[1]
WarrantyLifetime Limited Warranty on all new Heckler & Koch Inc. firearms purchased after January 1, 1998, to the original retail purchaser only and for that purchaser's lifetime — extendable to a donee named at the time of the original purchase, valid only on firearms imported into the United States and distributed by HK Inc., and applying only to retail purchases by individuals through an authorized HK dealer. Two exclusions are stated: firearms bought by United States military, government, law-enforcement or security organizations for duty issue instead carry a one-year limited warranty, or whatever a valid contract specifies; and rimfire .22LR rifles and pistols carry a one-year warranty[3]
MSRPNot recorded
Verification boundary: Published technical data are rounded, may not reflect manufacturing tolerances, and may change without notice. MSRP is not recorded: most cited product pages do publish a price, but it changes without notice and independently of the specification, so this directory has no field for it and the row stays blank rather than carrying a figure that would silently go stale. Values marked ≈ were converted by this directory from the unit system the source published; the unmarked figure in the same row is the published one.
Evidence tiers backing this record: Manufacturer. Unmarked values come from manufacturer documentation; any value drawn from a lower tier is labeled inline with that tier. Where two sources disagreed, the higher tier was recorded and the disagreement noted.

Sources

  1. [1]Accessed 2026-08-13 · Captured 2025-02-16 from https://hk-usa.com/hk-models/usp/
  2. [2]Accessed 2026-08-13 · Captured 2024-06-11 from https://hk-usa.com/wp-content/uploads/USP-Operators-Manual-1.pdf
  3. [3]Accessed 2026-08-13 · Captured 2026-02-06 from https://hk-usa.com/warranty/

Common questions

Answered from this record's cited fields only. Where a manufacturer publishes nothing on a subject, the question is not asked rather than answered with a blank.

01What caliber is the Heckler & Koch USP9 (V1)?

The Heckler & Koch USP9 (V1) is chambered in 9x19mm Parabellum. Heckler & Koch writes it as 9 mm x 19. Ammunition should match the exact chambering marked on the firearm.

02How many rounds does the Heckler & Koch USP9 (V1) hold?

Heckler & Koch lists a 15-round standard magazine for the USP9 (V1). Heckler & Koch also lists 10-round capacity as optional. These are magazine capacities; a round carried in the chamber is not counted here.

03What is the barrel length of the Heckler & Koch USP9 (V1)?

Heckler & Koch lists a barrel length of 108 mm / 4.25 in.

04What are the dimensions of the Heckler & Koch USP9 (V1)?

Heckler & Koch publishes 195 × 32 × 135 mm / 7.68 × 1.26 × 5.31 in. Any measurement basis shown is the manufacturer's own qualifier; where none is shown, the manufacturer states none.

05How much does the Heckler & Koch USP9 (V1) weigh?

Heckler & Koch publishes 770 g / 27.2 oz (HK's own column heading).

06Is the Heckler & Koch USP9 (V1) striker-fired?

Hammer-fired. Heckler & Koch publishes this as "SA/DA". This is recorded from the manufacturer's own classification rather than inferred from the mechanism.

07What is the trigger pull on the Heckler & Koch USP9 (V1)?

Heckler & Koch lists 51 N / ≈11.47 lb (double-action); 20 N / ≈4.5 lb (single-action). A published figure is a specification rather than a measurement of any individual firearm.

08Does the Heckler & Koch USP9 (V1) have a warranty?

Heckler & Koch states: Lifetime Limited Warranty on all new Heckler & Koch Inc. firearms purchased after January 1, 1998, to the original retail purchaser only and for that purchaser's lifetime — extendable to a donee named at the time of the original purchase, valid only on firearms imported into the United States and distributed by HK Inc., and applying only to retail purchases by individuals through an authorized HK dealer. Two exclusions are stated: firearms bought by United States military, government, law-enforcement or security organizations for duty issue instead carry a one-year limited warranty, or whatever a valid contract specifies; and rimfire .22LR rifles and pistols carry a one-year warranty. Terms are as published at the date this record was checked and may vary by region.

Source conflictThis record’s sources disagree, and it is on the register: A 9 mm magazine listed at the weight of the pistol · A manual whose dimension column does not convert. Nothing was repaired to resolve it — see the entry for what the sources publish and what this record does with it.