5.56 × 45 MM M193 is a catalog product within the small arms ammunition portfolio, listed under the Rifle Ammunition series. This page presents its series, core catalog specifications and corporate inquiry pathways in a clear, compliance-aware format.
5.56 × 45 MM M193 is listed in the Ozkursan catalog under the small arms ammunition portfolio with product code 556/223. The 5.56x45 mm chambering (commercially equivalent to .223 Remington) is one of the most widely adopted standard calibers in modern service rifles. The information below consolidates the product identity, series and principal catalog fields used during corporate evaluation.
The product code, caliber, series and packaging fields make it easier to compare this product with other catalog items in the same category. These fields support catalog review, corporate comparison and authorized-channel evaluation.
5.56x45 mm (5.56 NATO) is a rimless, bottlenecked rifle cartridge with a 5.70 mm (.224 in) bullet and a 44.70 mm case. FN Herstal developed it in the late 1970s and NATO standardised it as STANAG 4172 on 28 October 1980. Its commercial counterpart is the .223 Remington.
| Dimension | Value |
|---|---|
| Bullet diameter | 5.70 mm (.224 in) |
| Neck diameter | 6.43 mm (.253 in) |
| Base diameter | 9.58 mm (.377 in) |
| Rim diameter | 9.60 mm (.378 in) |
| Case length | 44.70 mm (1.760 in) |
| Overall length | 57.40 mm (2.260 in) |
| Case type | Rimless, bottlenecked |
| Primer | Small rifle |
The M193 is the 55 grain (3.56 g) full metal jacket boat-tail load. The M855, also called SS109, uses a 62 grain (4 g) bullet.
| Load | Bullet weight | Typical velocity |
|---|---|---|
| M193 | 55 gr (3.56 g) | About 993 m/s (3,260 ft/s) |
| M855 / SS109 | 62 gr (4 g) | About 948 m/s (3,110 ft/s) |
Velocity depends on barrel length and the individual load; the figures are typical published values.
The two cartridges have nearly identical external dimensions, but they are not loaded to the same pressure and the chambers differ.
5.56x45 mm, also called 5.56 NATO, is a rimless, bottlenecked rifle cartridge with a 5.70 mm (.224 in) bullet and a 44.70 mm case. NATO standardised it in 1980 as STANAG 4172.
The bullet diameter is 5.70 mm (.224 in). The 5.56 in the name is the metric cartridge designation, and the case is 44.70 mm long.
A 5.56x45 mm bullet measures 5.70 mm (.224 in) across. The full cartridge is 57.40 mm (2.260 in) long, with a 44.70 mm (1.760 in) case.
No, they are very close but not identical. The external dimensions are nearly the same, but 5.56 NATO is loaded to a higher pressure and has a chamber with a longer leade. .223 Remington can generally be fired in a 5.56 NATO chamber, while 5.56 NATO in a chamber marked only .223 is not recommended.
The M193 uses a 55 grain (3.56 g) bullet at about 993 m/s. The M855, also called SS109, uses a 62 grain (4 g) bullet at about 948 m/s.
The case length is 44.70 mm (1.760 in) and the overall cartridge length is 57.40 mm (2.260 in).
Ozkursan lists the 5.56 × 45 MM M193 (product code 556/223, Boxer Non Toxic primer, 50 pcs per pack and 500 pcs per carton) and a 5.56x45 mm blank cartridge in its catalogue. Use the corporate inquiry form on this page for supply details.
5.56 × 45 MM M193 is presented within the small arms ammunition portfolio alongside Ozkursan 5.56x45 mm Blank in the same caliber family. Ozkursan organizes each catalog product by category, series, caliber and available technical data so professional users can review the portfolio consistently.
Ozkursan product information is presented within a corporate catalog structure that supports manufacturing continuity, quality-control discipline and traceability. The page is informational and does not constitute a direct sales or usage instruction.
Corporate inquiries are evaluated according to product group, authorization, intended use, location and applicable regulations. Supply discussions proceed only through authorized channels and after commercial and regulatory eligibility review.
It is listed within the Small Arms Ammunition portfolio under the Rifle Ammunition series with product code 556/223.
The product code, caliber, series and packaging fields provide reference points for catalog review, corporate comparison and authorized inquiry evaluation.
No. This page provides corporate catalog information. All inquiries are subject to authorized-channel, regulatory and commercial-eligibility review.