Ohio Ordnance Works HCAR
- Category
- Machine Gun
- Barrel
- 406 mm
- Weight, empty
- 5.33 kg
- Introduced
- 2014
About
What it is, and why it matters
The HCAR (Heavy Counter Assault Rifle) is a modernized semi-automatic reimagining of the M1918 Browning Automatic Rifle (BAR) produced by Ohio Ordnance Works. Chambered in .30-06 Springfield, it retains the BAR's long-stroke gas piston, rising-toggle locking action while shedding roughly 40% of the original's weight, adopting a 16- or 20-inch barrel, a detachable 30-round box magazine, an adjustable gas system, a Magpul CTR buttstock and a full-length Picatinny rail for optics.
Ohio Ordnance Works, long known for reproducing classic belt-fed and automatic weapons, rebuilt the legendary WWI/WWII BAR as a lighter, semi-automatic civilian rifle so collectors could shoot a .30-06 BAR without a machine-gun stamp.
Civilian semi-automatic only; the parent M1918 BAR was a select-fire automatic rifle. Available with 16-inch (38.25 in OAL, ~11.75 lb) or 20-inch (42.45 in OAL, ~12.5 lb) barrels; specs here reflect the 16-inch configuration.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Ohio Ordnance Works
- Category
- Machine Gun
- Country
- United States
- Status
- In production
- Produced
- 2014
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 406 mm
- Overall length
- 972 mm
- Weight, empty
- 5.33 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Gas operated long stroke
- Firing mechanism
- Hammer fired
- Trigger
- Single stage
- Capacity
- 30
- Magazine
- Detachable box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Steel
- Barrel
- Steel
- Stock
- Polymer
- Finish
- Black
BallisticsFrom the service cartridge, not a handload.
- Effective range
- 1200 m
Trajectory
What the round does downrange
Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.
No load solved for this record yetThe flight path is computed from a cartridge and a bullet. This record has no ammunition filed against its chambering, so there is nothing to solve.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Adjustable gas system
Muzzle brake
Picatinny rail
Magpul ctr buttstock
Carbon fiber reinforced grip
Quick change barrel
Standing
How it compares
Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Empty weightAmong 261 machine guns | 5.33 kg | 10.50 kg | Lighter than about 90% |
| Overall lengthAmong 260 machine guns | 972 mm | 1156 mm | Shorter than about 90% |
| Barrel lengthAmong 257 machine guns | 406 mm | 605 mm | Shorter than about 90% |
| Magazine capacityAmong 222 machine guns | 30 | 50 | Holds fewer rounds than about 60% |
Answers
Questions about the Ohio Ordnance Works HCAR
How much does the Ohio Ordnance Works HCAR weigh?
The Ohio Ordnance Works HCAR weighs 5.33 kg (11.75 lb) empty.
What caliber is the Ohio Ordnance Works HCAR?
The Ohio Ordnance Works HCAR is chambered in .30-06 Springfield.
How many rounds does the Ohio Ordnance Works HCAR hold?
The Ohio Ordnance Works HCAR holds 30 rounds, fed from a detachable box magazine.
How long is the Ohio Ordnance Works HCAR?
The Ohio Ordnance Works HCAR is 972 mm (38.3 in) long overall, with a 406 mm (16.0 in) barrel.
Who makes the Ohio Ordnance Works HCAR?
The Ohio Ordnance Works HCAR is made by Ohio Ordnance Works (United States). It was designed by Robert Landies.
When was the Ohio Ordnance Works HCAR introduced?
The Ohio Ordnance Works HCAR was introduced in 2014.
How does the Ohio Ordnance Works HCAR operate?
The Ohio Ordnance Works HCAR uses a gas operated long stroke action, and its firing mechanism is hammer fired.
Compatibility
Which parts fit this firearm
Studio
Every part that mounts on this, resolved
Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.
- Every part that mounts on any firearm in the catalogue
- Interface standards, platforms and fit overrides
- The same answers through the API and the MCP server
Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.
Provenance
What the record holds
Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.
In service
- Civilian Market
- 2014
Provenance
Confidence in this record
74%
Stockists
Where to buy
Offers link straight to the shop. GunSpec never takes the order.
No shop has listed this firearm yet
Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.
List a firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/hcar' \ --header 'X-API-Key: your_key'{ "id": "hcar", "name": "Ohio Ordnance Works HCAR", "manufacturer": { "id": "ohio-ordnance", "name": "Ohio Ordnance Works", "countryCode": "US", "foundedYear": 1981, "website": "https://oowinc.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-06-21 23:00:46", "updatedAt": "2026-06-21 23:00:46", "version": "0b16a0df7d1aed96050b9b79f8a0fe81dd1d016ac816c7df0dc7dad779da41f8" }, "category": { "id": "machine-gun", "name": "Machine Gun", "description": "Fully automatic firearms for sustained fire" }, "country_of_origin": "US", "year_introduced": 2014, "barrel_length_mm": 406, "weight_empty_g": 5330, "action_type": "gas_operated_long_stroke"}