Mosin-Nagant M/27 Pystykorva
Oy Tikkakoski Ab · Rifle · Discontinued · 1927
Also known as: M27, Model 27, Pystykorva, Spitz
Overview
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.
Specifications
| Weight (empty) | 4110 g (145.0 oz) |
| Overall Length | 1185 mm (46.65") |
| Barrel Length | 685 mm (26.97") |
| Action Type | Bolt Action |
| Firing Mechanism | Striker Fired |
| Trigger Type | Single Stage |
| Magazine Capacity | 5 rounds |
| Magazine Type | Fixed Box |
| Muzzle Velocity | 800 m/s (2625 fps) |
| Muzzle Energy | 3780 J (2788 ft·lbf) |
| Effective Range | 500 m (547 yd) |
| Maximum Range | 2000 m (2187 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 241 mm (9.49") |
| Number of Grooves | 4 |
| Frame Material | Steel |
| Barrel Material | Steel |
| Stock Material | Wood |
| Finish | Blued |
Calibers
- 7.62x54mmR · primary — also known as 7.62x54R, 7.62 Russian, 7.62 Mosin-Nagant
Features
- Firing modes: Repeating
- Feed systems: Internal Box Magazine, Stripper Clip
- Safety mechanisms: Cocking Piece Safety
- Features: Hooded Front Sight, Heavy Barrel, Tangent Rear Sight, Stripper Clip Loading
Service history
Operators
- Finnish Army · adopted 1927 · as M/27
- Finnish Civil Guard · adopted 1927
Conflicts
- Winter War (1939-1940)
- Continuation War (1941-1944)
Production
Estimated total produced: 71,550 · Production years: 1927-1940
Most produced by Oy Tikkakoski Ab; roughly 2,550 made by VKT. Built on retained M1891 receivers and magazines.
Origin
Country of origin: Finland
Designer: Finnish Army weapons committee
Discontinued: 1940
Notes
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.
Background
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.