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Rotary cannon
GAU-12 Equalizer is a rotary cannon originating in United States. It was built by General Dynamics.
United StatesAI-generated illustration · Not a photograph — Representative exterior of GAU-12 Equalizer; geometry is illustrative. Not evidence for specifications.
ForceTally · AI-generated illustration · Not a photograph · AI-generated · OpenAI output terms · Source ↗ · Modifieden.wikipedia.org ↗ · Field absent
Checked 30 Sept 2026Recorded cached-source extraction and article inspection. No matching scoped field was extracted; this is not a claim that all five sources were checked.
Retained English infobox, specifications and article text
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Rotary cannon
United States
General Electric
General Dynamics
GAU-12: 270 pounds (120 kg) with feed system GAU-22: 230 pounds (100 kg) without feed system
83.2 in (2.11 m)
GAU-12: 11.5 inches (290 mm) GAU-22: 11.1–13.3 inches (280–340 mm)
10.2 inches (260 mm)
25 × 137 mm
25 mm (0.98 in)
GAU-12: 5-barrel GAU-22: 4-barrel (progressive RH parabolic twist, 11 grooves)
Hydraulic, Electric, Pneumatic
GAU-12: 1,800–4,200 rounds per minute GAU-22: 3,300 rounds per minute
(HEI) 3,400 ft/s (1,040 m/s); (API) 3,280 ft/s (1,000 m/s); (APEX) 3,200 ft/s (970 m/s)
12,000 feet (3,660 m)
Linked or linkless
Lead Computing Optical Sight System (LCOSS)
electric
270 lb (122 kg)
(HEI) 6.5 oz (184 g); (API) 7.6 oz (215 g)
(HEI) 73,400 ft·lbf (99,500 joules); (API) 79,300 ft·lbf (107,500 joules)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 29 Sept 2026 | 3.66 km | Wikipedia contributors | superseded |
GAU-12 Equalizer equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
NetherlandsReported count for GAU-22 (4 barrels variant of the GAU-12 Equalizer ) · GAU-22/A. Service scope: Equipment of the Royal Netherlands Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 46. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
United States