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Ammunition Types and Their Characteristics
Information Centre

Ammunition Types and Their Characteristics

This guide explains how bullet construction — jacketed, slug, shot, rubber or blank — determines the correct cartridge for a given firearm and application.

Information Centre2024-11-084 min read

Selecting the right ammunition starts with understanding bullet type: the projectile's construction determines how a cartridge behaves at the target and which firearm and use case it suits, from FMJ and JHP pistol and rifle rounds to shotgun shot and slug loads, rubber projectiles and primer-only blanks.

What Determines Ammunition Type?

A cartridge's type is defined by the material and shape of its bullet, the case material, the primer system and, for shotgun shot loads, the shot weight and shot size. In the Ozkursan catalogue these variables are recorded separately for every product; the categories below summarise the resulting bullet types.

The same calibre can be produced with more than one bullet type — 9x19 mm ammunition, for example, is manufactured with both FMJ and JHP construction — so calibre alone does not identify a product. Bullet type and case construction should be checked together; see the Cartridge Cases and Boxer Primers guides for more on those components.

1. Full Metal Jacket (FMJ)

In an FMJ bullet, a lead core is fully enclosed in a metal jacket, typically a brass alloy, which lets the bullet largely retain its shape on impact. Most pistol and rifle ammunition in the Ozkursan catalogue uses an FMJ brass-jacketed bullet, including the Ozkursan Luger (9x19 mm, 124 gr, steel case) and the Ozkursan 5.56x45 mm rifle cartridge (55 gr, Boxer primer). FMJ is the catalogue's most widely used bullet type, spanning the 7.65x17 mm, .45 ACP and 9x19 mm product lines.

2. Jacketed Hollow Point (JHP)

A JHP bullet has a cavity at the tip, which changes its behaviour on contact with the target compared with an FMJ design. In the catalogue this type appears in a single 9x19 mm Luger product family: the Ozkursan Hollow Point (124 gr, JHP brass, brass case, Boxer primer). It is one of the few brass-cased 9x19 mm items in the range and, despite sharing the same 124 gr weight as the FMJ version, uses a different bullet construction.

3. Slug (Single-Projectile) Shotgun Loads

Slug loads replace shot with a single projectile, giving the cartridge ballistic behaviour closer to a rifle round. Ozkursan's 12 gauge slug range includes the Etna Power Slug (30 g, 420 m/s, 600 bar) and the Single Ball (33 g, 400 m/s, 800 bar). 16 and 36 gauge slug options are also produced; the 36 gauge slug is notably lighter, at around 8 g. Slug loads generally run at a higher pressure than shot loads of the same gauge.

4. Shot (Pellet) Shotgun Loads

Shot loads use a large number of small pellets, sized by shot number, instead of a single projectile. This is the basis of the Ozkursan Classic Series (12 gauge, 28–36 g shot loads) and the Codex product range. Shot size and weight are selected according to the game being hunted — finer, more numerous pellets for small birds and coarser, fewer pellets for larger game; see the bird-hunting cartridge guide for a species-based breakdown.

5. Rubber Projectiles

Rubber projectiles use a rubber body in place of a metal core and are intended for training and deterrent applications. The catalogue's 12 gauge rubber line includes the Rubber Single Ball (4 g projectile weight, 18.5 mm) and the Rubber Double Ball, alongside the 9 mm line's Ozkursan 3501 (9 mm P.A. rubber bullet, Boxer primer) and Ozkursan 3505 (9x22 mm 380R rubber bullet).

6. Blank (Primer-Only) Cartridges

Blank cartridges carry no bullet; they are designed only to produce sound and muzzle flash. Products such as the Ozkursan 5700 (9 mm blank, Boxer primer), ECO 7755 and CK 9 7710 fall under the Blank Ammunition category. Their primer system is the same Boxer design used across the rest of the catalogue; see Boxer Primers for details.

Comparing the Six Types

The table below summarises the six bullet types covered in this guide.

TypeBullet/ChargeTypical UseExample Product
FMJMetal-jacketed leadShooting practice, pistol/rifle ammunitionOzkursan Luger
JHPJacketed hollow point9x19 mm lineOzkursan Hollow Point
SlugSingle-piece bullet12/16/36 gauge shotgunsEtna Power Slug
ShotMultiple small pelletsHunting and clay shootingOzkursan Classic Series
RubberRubber ball/slug12 gauge and 9 mm linesRubber Single Ball
Plastic/BlankNo bulletBlank-firingOzkursan 5700

Choosing the Right Type

Type selection depends on intended use — training, hunting or blank-firing — together with the firearm's calibre compatibility and case type. See Cartridge Cases for how case material affects performance, and the Types of Ammunition overview for a full category map.

Calibre describes diameter only, for example 9 mm or 12 gauge, while bullet type describes the projectile's construction — FMJ, JHP, slug and so on. The same calibre can be produced in more than one type: the catalogue's 9x19 mm line includes both FMJ and JHP bullets, so both figures should be checked together before placing a corporate order.

Frequently Asked Questions

What is the main difference between FMJ and JHP?

An FMJ bullet is fully enclosed in a metal jacket and largely keeps its shape on impact; a JHP bullet has a cavity at the tip that changes this behaviour. Both types are produced in the catalogue's 9x19 mm line, under different product codes.

What is the difference between slug and shot loads?

A slug load fires a single bullet, while a shot load fires many small pellets sized by shot number. Slug loads typically run at a higher pressure than shot loads of the same gauge.

What calibres are rubber projectiles produced in?

The catalogue includes rubber projectiles in 12 gauge, in ball and slug form, and in the 9 mm line, in P.A. rubber-bullet form; both groups use a Boxer primer.

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