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What Is .45 ACP?
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What Is .45 ACP?

.45 ACP (Automatic Colt Pistol) is an 11.43x23 mm pistol calibre; Ozkursan's catalogue lists this calibre in two case options — steel and brass-plated — both built around the same 230-grain FMJ Brass core.

Information Centre2024-07-103 min read

This page summarises the catalogue specifications for Ozkursan's .45 ACP products and explains what distinguishes the steel-case and brass-plated versions.

Ozkursan .45 ACP Products

Ozkursan's Small Arms Ammunition category lists two products in .45 ACP calibre, distinguished by case material.

ProductCaseBulletGrainPrimer
45 Cal Steel CaseSteelFMJ Brass230Boxer
45 Cal Brass PlatedBrassFMJ Brass230Boxer

Steel vs. Brass-Plated Case

Bullet weight (230 grain), bullet type (FMJ Brass) and primer (Boxer) are identical across both products — the only difference is case material. The steel-case version is the calibre's standard catalogue entry; the brass-plated version is listed separately in the product database.

.45 ACP Calibre Overview

Developed in 1905, .45 ACP remains widely used in semi-automatic pistols today. At 11.43 mm, its diameter is larger than smaller-calibre rounds such as 9 mm or .40 S&W, and a 230-grain bullet weight is the calibre's typical production standard.

Typical Platforms

.45 ACP is used widely in semi-automatic pistols, particularly classic designs such as the 1911 platform. Its large diameter and heavy 230-grain bullet have historically positioned the calibre around stopping power rather than velocity.

FMJ Brass Bullet Construction

The FMJ Brass (Full Metal Jacket) bullet construction used in Ozkursan's .45 ACP products fully encloses the lead core in a copper/brass alloy jacket. This construction leaves less lead fouling in the bore and is a standard choice for sport shooting and training use.

Browse the current .45 Cal pistol ammunition range in the Ozkursan catalogue.

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