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A 9 mm carbine you can buy without buying a foreign policy: our machine carbine against the UZI PRO, the MP5 and the Glock 17.

IWI, Heckler & Koch and Glock all publish their numbers, and the numbers are good. The question a government buyer actually faces is what comes attached to the order, and how long the supplier stays interested after it ships.

In service, not experimental

The machine carbine is not a prototype looking for a first customer. It was fired over 2,400 trial rounds without a Class-1 stoppage and is in service with a national army's special forces and paramilitary units, built at a dedicated defence facility by one of the first private manufacturers in its country to indigenously produce and supply small arms to elite forces.

Side by side

AttributeRepresented by UnstratSmall armsIsrael Weapon Industries (IWI)UZI PRO SMG1IsraelHeckler & KochMP5 (MP5, MP5N, MP5K, MP5K-PDW, MP5SD)2GermanyGlockG17 Gen53Austria
Class and operating principle1239×19 mm machine carbine, semi-bullpup layout, operable with one hand9×19 mm Para. submachine gun, blowback operated, closed bolt9×19 mm submachine gun, recoil operated, roller-delayed blowback9 mm Luger pistol, Safe Action system, three safeties
Weight123Our figure includes a loaded-capacity magazine; the IWI and HK figures are stated without magazine, so the gap in carried weight is wider than a straight column read suggests.Under 2.4 kg with a 33-round magazineApprox. 2.4 kg Compact, 2.45 kg Medium, 2.6 kg Long, all without magazine2,900 g MP5 and MP5K-PDW, 2,000 g MP5K, 3,500 g MP5SD, all without magazine630 g without magazine, 708 g with empty magazine, 945 g with loaded magazine
Magazine capacity12333 rounds20 / 25 / 32 round magazines listed as accessories15 / 30 round17 rounds
Rate of fire123Approx. 800 rds/minApprox. 1,000 to 1,150 rds/min across all three barrel lengths800 rds/min MP5 and MP5N, 900 rds/min MP5K and MP5K-PDW, 700 rds/min MP5SDNot published
Fire modes123Not publishedAutomatic and semi-automaticSingle fire, 2-round burst, 3-round burst, full autoSafe Action, constant double action mode
Barrel length123Not published170 mm Compact, 210 mm Medium, 240 mm Long255 mm MP5 and MP5N, 115 mm MP5K, 140 mm MP5K-PDW, 146 mm MP5SD114 mm
Overall length123Not published; side-folding stock539 mm extended and 317 mm folded (Compact), rising to 609 / 387 mm (Long)555 to 700 mm MP5 and MP5N, 325 mm MP5K, 350 to 600 mm MP5K-PDW202 mm overall
Receiver and frame materials123Aerospace-grade aluminium upper receiver, carbon-fibre lowerModern polymers with MIL-STD 1913 rails and a polymer pistol gripNot publishedPolymer frame
Optics and accessory mounting123Full-length Picatinny rail with M-LOK slots on both sidesIntegral Picatinny rails; cocking handle moved to the receiver side to keep the top cover rail full lengthNot published; adjustable rotary sights and tri-lug Navy barrel cited as featuresG17 Gen5 MOS listed as the optic-ready configuration
Trial and service record stated by the maker123Over 2,400 trial rounds without a Class-1 stoppage; in service with a national army's special forces and paramilitary unitsUZI in IDF service from 1956 and over 2 million units sold worldwide, stated for the family rather than the PRO variant; no trial round count publishedReliability asserted in the brochure; no trial data publishedNot published
Design and build origin123Designed with a national defence R&D organisation, manufactured by the small arms manufacturer we represent at its dedicated defence facility, on four decades of precision CNC machine buildingIsrael Weapon Industries (I.W.I) Ltd, IsraelHeckler & Koch, Germany; law-enforcement sales in the United States through HK USA, Columbus, GeorgiaGlock Ges.m.b.H., Austria
Transfer conditions stated in the vendor document123Datasheets never carry the export politics. They arrive later, in the licence.Classification and end-user-certificate controls; independent, non-aligned origin with no political exposure to a major-power ecosystemNot addressed in the vendor documentNot addressed in the vendor documentNot addressed in the vendor document

Competitor values are quoted from the vendor documents listed under Sources, as published on the date shown. Configurations vary, so treat every row as a starting point for the evaluation rather than a like-for-like test result.

What the table means

On the numbers, the field is close. On carried weight, it is not.

The UZI PRO Compact is quoted at about 2.4 kg without a magazine and the MP5 at 2,900 g without one. The machine carbine is under 2.4 kg with a 33-round magazine fitted, and that magazine holds more than any of the three standard options published by IWI, HK or Glock. A higher cyclic rate is not automatically an advantage either: the UZI PRO runs at 1,000 to 1,150 rds/min, which empties a 32-round magazine faster than a soldier can usefully control it in a room. The machine carbine sits at about 800 rds/min, the same figure HK publishes for the baseline MP5.

The Glock is a different tool, and buyers keep comparing them anyway.

A G17 Gen5 weighs 630 g without a magazine and holds 17 rounds. Nothing in a 2.4 kg carbine competes with that for concealment or for issuing to every officer in a force. Where the comparison breaks down is sustained volume and stabilised shooting: a pistol has a 114 mm barrel, a 165 mm sight radius and no stock. If the requirement is a sidearm, buy the pistol. If the requirement is a compact automatic weapon for close-quarter work, vehicle crews and protection details, the pistol is not in the running and the honest comparison is the machine carbine against the UZI PRO and the MP5.

What the datasheets leave out is usually what decides the programme.

None of the three vendor documents says anything about who has to approve the sale, which end uses will be refused, or what happens to spares if the political weather changes. That silence is not an accident. Israeli, German and Austrian export approvals are all held outside the buyer's capital, and each has been withheld or delayed for reasons that had nothing to do with the buyer's conduct. The machine carbine is supplied under classification and end-user-certificate controls from an independent, non-aligned source, so the review that matters happens once, with the parties on the contract.

The receiver is a machining problem before it is a weapons problem.

The machine carbine's aluminium upper and carbon-fibre lower come out of a firm that has built precision CNC machine tools for four decades. That matters for a buyer thinking past the first tranche: barrel and receiver production capacity, repeatable tolerances and in-region repair all sit with the same organisation that machines the parts, rather than with a licensee three countries away.

Questions buyers ask

What is the best alternative to the HK MP5 for a government buyer who cannot get German export approval?

The MP5 is a good weapon with fifty years of service behind it, and HK publishes clean figures: 800 rds/min, 2,900 g without magazine, 15 or 30 round magazines. The problem is not the weapon, it is the approval. The machine carbine is a 9×19 mm machine carbine under 2.4 kg with a 33-round magazine and about 800 rds/min, supplied from an independent, non-aligned source under classification and end-user-certificate controls, so the consent chain does not run through Berlin.

How does the machine carbine compare with the IWI UZI PRO on weight and controllability?

IWI publishes 2.4 kg for the UZI PRO Compact without a magazine, 2.45 kg for the Medium and 2.6 kg for the Long, at a cyclic rate of roughly 1,000 to 1,150 rds/min. The machine carbine is under 2.4 kg with a 33-round magazine already fitted and runs at about 800 rds/min. The UZI PRO folds to 317 mm, which is a real advantage for concealed protection work, and IWI's accessory list is deep. If the requirement is sustained controllable fire from a lighter loaded weapon, the machine carbine is the better fit.

Is the machine carbine a service weapon or a development programme?

It is in service. The machine carbine was fired over 2,400 trial rounds without a Class-1 stoppage and is issued to a national army's special forces and paramilitary units. It was designed with a national defence R&D organisation and is manufactured at a dedicated defence facility, not assembled from a kit.

Should we buy a Glock 17 Gen5 or a 9 mm carbine for close protection teams?

Buy both, for different jobs. The G17 Gen5 is 630 g without a magazine, 202 mm long and holds 17 rounds, which no carbine will match for concealment. A protection team that has to fight its way out of a stopped vehicle needs a stocked weapon with a longer sight radius and a 33-round magazine. Glock's buyer's guide does not publish a rate of fire because the pistol is semi-automatic; that is the whole distinction.

How does cost of ownership differ between an imported SMG and the machine carbine?

None of the three vendors publishes prices, so ignore anyone who quotes you a comparison. What is documented is the structure. Imported small arms carry a re-export and end-use approval held by a foreign government, spares that queue behind that government's own orders, and armourer training scheduled abroad. The machine carbine is built by a firm with four decades of precision CNC machining behind the receivers, with sustainment handled by one accountable team in region. Ask any supplier, including us, for a written spares and turnaround commitment before you compare unit prices.

Which specifications does Unstrat not publish for the machine carbine?

Barrel length, overall length extended and folded, and the select-fire mode list are not in our published catalogue. They are available under a signed enquiry with the classification controls that apply to any small-arms transfer. Where a competitor publishes a figure and we do not, this page says so rather than filling the cell.

Sources

  1. 1. Israel Weapon Industries (IWI), UZI PRO 9X19mm SMG (Sub Machine Gun), brochure 2021 EN (copy held on this site)Retrieved: 2026-07-31 · Technical data table gives barrel length, extended and folded length, weight without magazine and rate of fire for the Compact, Medium and Long variants.
  2. 2. Heckler & Koch (HK USA), MP5 Sub-Machine Gun (SMG), law enforcement brochure (copy held on this site)Retrieved: 2026-07-31 · Technical data and dimensions tables cover MP5, MP5N, MP5K, MP5K-PDW and MP5SD.
  3. 3. Glock Ges.m.b.H., GLOCK Buyer's Guide (EN, 01/2020) (copy held on this site)Retrieved: 2026-07-31 · G17 Gen5 technical data page gives overall length, barrel length, weights with and without magazine, trigger pull, sight radius and magazine capacity.
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