Mosin-Nagant M/27 Pystykorva
- Category
- Rifle
- Barrel
- 685 mm
- Weight, empty
- 4.11 kg
- Introduced
- 1927
About
What it is, and why it matters
The Mosin-Nagant M/27 Pystykorva is a Finnish bolt-action service rifle, the Finnish Army's first major reworking of the Russian Model 1891. Adopted in 1927, it retained the M1891 receiver and magazine but fitted a new, shorter heavy-weight barrel for improved accuracy, a sturdier two-piece stock, a redesigned front barrel band and nose cap, and a distinctive hooded front sight whose protective ears earned the rifle its nickname Pystykorva ('spitz', after the upright ears of the spitz dog). Chambered in 7.62x54mmR, it served Finnish forces through the Winter War and Continuation War.
The M/27 earned its nickname Pystykorva, Finnish for 'spitz', because the protective ears flanking its hooded front sight resembled the pricked-up ears of a spitz dog. It was the first of the series of Finnish Mosin-Nagant refinements that culminated in the celebrated M/39.
Approximately 71,550 M/27 rifles produced between 1927 and 1940, the great majority by Oy Tikkakoski Ab, with a small number (around 2,550) by VKT (Valtion Kivaaritehdas). Many were built on receivers from older Russian-made M1891 actions.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Tikkakoski
- Category
- Rifle
- Country
- Finland
- Status
- Discontinued
- Produced
- 1927 to 1940
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 685 mm
- Overall length
- 1185 mm
- Weight, empty
- 4.11 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Bolt action
- Firing mechanism
- Striker fired
- Trigger
- Single stage
- Capacity
- 5
- Magazine
- Fixed box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Steel
- Barrel
- Steel
- Stock
- Wood
- Finish
- Blued
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 800 m/s
- Muzzle energy
- 3780 J
- Effective range
- 500 m
- Maximum range
- 2000 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.
Hooded front sight
Heavy barrel
Tangent rear sight
Stripper clip loading
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 1,612 rifles | 4.11 kg | 3.50 kg | Heavier than about 80% |
| Overall lengthAmong 1,557 rifles | 1185 mm | 1080 mm | Longer than about 80% |
| Barrel lengthAmong 1,659 rifles | 685 mm | 584 mm | Longer than about 70% |
| Magazine capacityAmong 1,611 rifles | 5 | 5 | Holds more rounds than about 60% |
Answers
Questions about the Mosin-Nagant M/27 Pystykorva
How much does the Mosin-Nagant M/27 Pystykorva weigh?
The Mosin-Nagant M/27 Pystykorva weighs 4.11 kg (9.06 lb) empty.
What caliber is the Mosin-Nagant M/27 Pystykorva?
The Mosin-Nagant M/27 Pystykorva is chambered in 7.62x54mmR.
How many rounds does the Mosin-Nagant M/27 Pystykorva hold?
The Mosin-Nagant M/27 Pystykorva holds 5 rounds, fed from a fixed box magazine.
How long is the Mosin-Nagant M/27 Pystykorva?
The Mosin-Nagant M/27 Pystykorva is 1185 mm (46.7 in) long overall, with a 685 mm (27.0 in) barrel.
Who makes the Mosin-Nagant M/27 Pystykorva?
The Mosin-Nagant M/27 Pystykorva is made by Tikkakoski (Finland). It was designed by Finnish Army weapons committee.
When was the Mosin-Nagant M/27 Pystykorva introduced?
The Mosin-Nagant M/27 Pystykorva was introduced in 1927 and discontinued in 1940.
How does the Mosin-Nagant M/27 Pystykorva operate?
The Mosin-Nagant M/27 Pystykorva uses a bolt action, and its firing mechanism is striker 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
- Finnish Army
- 1927
- Finnish Civil Guard
- 1927
Provenance
Confidence in this record
85%
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/mosin-nagant-m-27-pystykorva' \ --header 'X-API-Key: your_key'{ "id": "mosin-nagant-m-27-pystykorva", "name": "Mosin-Nagant M/27 Pystykorva", "manufacturer": { "id": "tikkakoski", "name": "Tikkakoski", "countryCode": "FI", "foundedYear": 1893, "website": null, "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-04-05 22:24:37", "updatedAt": "2026-04-05 22:24:37", "version": "dfd958463a0505fe68c5771c7a611746262d4b627a7f28130d8c90885b01d92c" }, "category": { "id": "rifle", "name": "Rifle", "description": "Long-barreled firearms designed for accurate shooting" }, "country_of_origin": "FI", "year_introduced": 1927, "barrel_length_mm": 685, "weight_empty_g": 4110, "action_type": "bolt_action"}