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Sig Sauer

P220, P227 .45ACP COMPACT / CARRY, BARREL, 3.9"

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Sig Sauer

Factory replacement barrel for P220CO

Chambered .45acp

P220 P227

Compact/carry models

3.9-inch Barrel

Length

Factory Barrel

Heat-treated construction for toughness and

$179.99
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SKU: BBL-220CO-45

Overview

This factory replacement barrel is intended for SIG SAUER P220 and P227 compact/carry pistols chambered in .45ACP. With a 3.9-inch length, it is suited to owners looking to restore or maintain their pistol with a direct-fit component from the original manufacturer. The heat-treated construction is described by SIG SAUER as adding toughness and durability, making it a practical choice for keeping a carry gun in service-ready condition.

Why Hunters Choose the Sig Sauer

Factory Replacement

Barrel for SIG SAUER P220CO

Chambered .45acp

For the specified platform

P220 P227

Compact or carry configurations

3.9-inch Barrel

Length listed in the product

Factory-supplied Replacement

Part from SIG SAUER

Key Features

  • SIG SAUER factory replacement barrel for P220CO pistols
  • Chambered in .45ACP
  • Designed for P220 and P227 compact/carry models
  • 3.9-inch barrel length
  • Factory barrel with heat-treated construction for toughness and durability

Best Used For

  • Owners of SIG SAUER P220CO .45ACP pistols needing a factory replacement barrel
  • Shooters maintaining a compact or carry setup with original-spec SIG SAUER parts
  • Users replacing a worn barrel on a compatible SIG SAUER .45ACP handgun
  • Hunters and outdoorsmen seeking a direct-fit spare for an existing sidearm

Pros

  • Factory replacement barrel for SIG SAUER P220CO pistols
  • Chambered in .45ACP for the specified platform
  • Designed for P220 and P227 compact or carry configurations
  • 3.9-inch barrel length listed in the product title
  • Factory-supplied replacement part from SIG SAUER
  • Specially heat-treated for toughness and durability

Considerations & Trade-offs

  • This is a replacement barrel for the SIG SAUER P220CO in .45ACP, so it is intended for compatible pistols rather than as a standalone component.
  • The listing identifies it as a compact/carry barrel with a 3.9" length, so fitment is specific and should be matched carefully to the correct model.
  • The product description focuses on factory replacement use and does not provide additional performance details beyond the stated heat treatment.
  • At $179.99, it is a dedicated parts purchase, so value depends on whether you need an original-spec replacement rather than a general-purpose upgrade.

Suggested Comparisons

  • Replacement pistol barrels
  • SIG SAUER P220 parts
  • SIG SAUER P227 parts
  • .45 ACP pistol accessories

Suggested Accessories

  • Pistol cleaning kit
  • Gun oil
  • Replacement recoil spring
  • Pistol case

Frequently Asked Questions

What pistol is this barrel made for?

It is a replacement barrel for the SIG SAUER P220CO, and the title also identifies it for P220 and P227 .45ACP Compact/Carry models.

What caliber is this barrel chambered in?

It is chambered in .45ACP.

Is this an original SIG SAUER part?

Yes. The description identifies it as a SIG SAUER factory replacement pistol barrel.

What does the product data say about how it is made or treated?

The source states that SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability.

Does the product information include full fitment details beyond the listed models?

No. The provided data names the P220CO and the P220/P227 .45ACP Compact/Carry in the title, but it does not give additional compatibility details.