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THE CARTRIDGE LIBRARY · SPORTING & MATCH RIFLE

6.5x55 Swedish

An established 6.5mm rifle cartridge with a long case and a distinctive historical military family. Sporting and target ammunition remain available from multiple makers.

2A Ledger reference desk · Sources checked October 18, 2026

6.5x55 Swedish · Studio brass dimensional referenceDimensions in inches and millimeters. Overall length minimum: 2.755 in, 69.977 mm; Overall length maximum: 2.955 in, 75.057 mm; Case length maximum: 2.165 in, 54.991 mm; Rim diameter maximum: 0.4803 in, 12.200 mm; Bullet maximum: 0.2642 in, 6.711 mmOVERALL · MIN–MAX2.755–2.955 in69.977–75.057 mmCASE LENGTH · MAX2.165 in54.991 mmBULLET Ø · MAX0.2642 in6.711 mmRIM Ø · MAX0.4803 in12.200 mm
Published cartridge dimensions · SAAMI drawing ↗
Read the dimensions
Overall · min–max
2.755–2.955 in
69.977–75.057 mm
Case length · max
2.165 in
54.991 mm
Bullet maximum
0.2642 in
6.711 mm
Rim diameter · max
0.4803 in
12.200 mm

Know the exact name

At a glance

Cartridge family
Sporting & match rifle
Bullet specification
0.2642 in / 6.711 mmBullet maximum
Factory examples
5 loadsSelected, sourced examples below
Weight in cited examples
130–156 grGrains measure mass, not powder charge

6.5x55 Swedish is identified by its complete cartridge designation. The resource-table alternative is 6.5 × 55 Swedish. A caliber number, bullet diameter, or family resemblance on its own does not identify ammunition compatibility.

Older military actions and modern sporting rifles may have different ammunition restrictions. Follow their manuals and the ammunition maker's guidance.

Dimensions: open the exact dimensional drawing ↗. The displayed number is bullet maximum, rather than an assertion that every manufactured projectile or barrel has this exact diameter.

Origins & evolution

Background & development

The 6.5×55 belongs to the late-nineteenth-century generation of small-bore military rifle cartridges. Its Swedish and Norwegian service history preceded the modern sporting enthusiasm for 6.5 mm bullets by many decades. Scandinavian hunters and match shooters continued using the cartridge after its original military role had changed.

Its international civilian history was shaped partly by surplus rifles. Inexpensive military arms introduced many American shooters to the cartridge’s combination of accuracy and manageable recoil, while later factory sporting rifles gave it a separate modern market. Remington, Winchester, Ruger, CZ and Tikka are among the makers Sierra identifies as having offered sporting rifles in the chambering. This long overlap of military rifles, Scandinavian competition and modern hunting arms is the essential background to the name. It also explains why the cartridge’s historical specifications and a particular modern rifle’s ammunition recommendations deserve to be identified separately.

Historical sources: Sierra: 6.5x55 Swedish cartridge history ↗

Construction changes the story

Loads, variations & specialty offerings

Hunting construction

Soft-point, bonded, partitioned, and monolithic expanding bullets are designed differently. Their intended impact-velocity ranges and use cases come from the bullet or ammunition manufacturer.

Match construction

Open-tip match and tipped match bullets prioritize consistency and aerodynamics. A match designation does not by itself mean the projectile was designed for hunting expansion.

Specialty offerings

Lead-free, reduced-recoil, and premium long-range products are separate load designs when offered. Compare the exact SKU, bullet weight, test barrel, and intended role rather than relying on a cartridge-wide average.

In the cited 6.5x55 Swedish examples, bullet weights are 130, 140, 156 grains. These are the weights actually present in this source selection, not a claim that every possible loading is listed.

Bullet construction background: Hornady: anatomy of a bullet ↗. Exact product descriptions and velocities are cited in the factory table.

From the factory catalog

Compare all 5 cited factory load records
Factory catalog examples, not purchase recommendations. V / -V denotes a vented test barrel where shown by the source. Unstated test lengths have not been inferred.
Maker / productBullet massPublished constructionMuzzle velocityTest barrelSource
FederalP6555WTSX130 gr
8.42 g
BARNES TRIPLE-SHOCK2,550 fps
777 m/s
24 inFederal · PDF pp. 52–53 ↗
Federal6555B140 gr
9.07 g
SP2,650 fps
808 m/s
24 inFederal · PDF pp. 56–57 ↗
FederalF6555FS1140 gr
9.07 g
FUSION2,530 fps
771 m/s
24 inFederal · PDF pp. 58–59 ↗
Hornady85507140 gr
9.07 g
SST®2,735 fps
834 m/s
Not stated here; see sourceHornady · PDF p. 184 ↗
FederalF6555FS2156 gr
10.11 g
FUSION2,500 fps
762 m/s
24 inFederal · PDF pp. 58–59 ↗

Explore the published data

Ballistics you can inspect

Select a legend entry to add or remove its line. Hover or tap a plotted point, or use the position slider. With the graph focused, arrow keys move the inspector. Solid dots identify source points; dashed connectors show estimates between them. Load construction, pressure category, and test setup can differ even at the same grain weight.

Read the original values as accessible tables

6.5x55 Swedish: factory velocity downrange

Distance (yd): velocity (fps). Original source units. Intermediate estimates are excluded from this table.
Exact loadSourcePublished points
130 gr Federal BARNES TRIPLE-SHOCKFederal0: 2550; 100: 2316; 200: 2094; 300: 1884; 400: 1691; 500: 1512
140 gr Federal SPFederal0: 2650; 100: 2450; 200: 2258; 300: 2075; 400: 1900; 500: 1736
156 gr Federal FUSIONFederal0: 2500; 100: 2326; 200: 2159; 300: 1999; 400: 1845; 500: 1702
140 gr Federal FUSIONFederal0: 2530; 100: 2336; 200: 2150; 300: 1973; 400: 1804; 500: 1648
140 gr Hornady SST®Hornady0: 2735; 100: 2563; 200: 2397; 300: 2237; 400: 2084; 500: 1937

How to interpret the comparison

Changing bullet weight also often changes bullet design and propellant choice. Two curves are comparisons of the listed products, not a controlled experiment proving that bullet weight alone caused the difference. Catalog downrange points are projections under the maker’s conditions; barrel-study points are recorded observations in the study firearm.

Direct answers

Common questions

What is 6.5x55 Swedish?

An established 6.5mm rifle cartridge with a long case and a distinctive historical military family. Sporting and target ammunition remain available from multiple makers.

What diameter does 6.5x55 Swedish use?

The cited dimensional standard lists 0.2642 inches (6.711 mm), bullet maximum. This drawing convention is different from a casual caliber nickname.

Are similarly named cartridges interchangeable?

Older military actions and modern sporting rifles may have different ammunition restrictions. Follow their manuals and the ammunition maker's guidance.

Are the graph values measured or estimated?

The downrange view uses the exact manufacturer catalog records shown in the source table. Dashed connectors and intermediate inspector values use linear interpolation between the displayed source points. Calculated energy uses the listed bullet mass and velocity.

Does higher energy mean the best load?

Energy is calculated from mass and velocity. It does not establish accuracy, expansion, penetration, pattern density, recoil, or suitability for a particular firearm. Use the exact product documentation and firearm manual.

Trace the facts

Sources & methodology

Compiled by 2A Ledger from the linked standards, manufacturer publications, and identified test records. Checked October 18, 2026. Historical tests and older catalogs retain their original dates; a listing here does not establish current availability.

  1. SAAMI: dimensional drawing · PDF p. 54 ↗
  2. Sierra: 6.5x55 Swedish cartridge background ↗
  3. Federal · PDF pp. 52–53 ↗
  4. Federal · PDF pp. 56–57 ↗
  5. Federal · PDF pp. 58–59 ↗
  6. Hornady · PDF p. 184 ↗

Diameter figures preserve the cited drawing convention. Inch–millimeter conversion uses exactly 25.4 mm per inch. Factory specifications describe the maker’s test setup; your firearm, ammunition lot, temperature, and measuring method can produce different results. This is an educational factory-ammunition reference, not a reloading manual.