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Brownells

1911 Mainspring Cap Pin - Mainspring Cap Pin For 1911, Blued,6 Pack

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

Mainspring Cap

Pin for 1911 auto pistols

U.s.-made Replacement

Part

Blued Finish

Carbon Steel

Construction

Pack 6

$14.99
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SKU: 100000879

Overview

This mainspring cap pin is intended for maintaining a 1911 auto pistol with U.S.-made replacement parts. It is offered as a blued, carbon steel part and is specified to fit the 1911 platform. The 6-pack format is practical for armorer work, shop inventory, or keeping spares on hand for routine maintenance. It is a straightforward replacement component for owners who want factory-style fit and function without unnecessary extras.

Why Hunters Choose the Brownells

U.s.-made Replacement

Parts for the 1911 auto

Fits 1911

Auto pistols according to the

Blued Finish

Identified in the product title

Six-pack Quantity

Multiple replacement parts

Carbon Steel

Construction is listed in the

Key Features

  • Mainspring cap pin for 1911 auto pistols
  • U.S.-made replacement part
  • Blued finish
  • Carbon steel construction
  • Pack of 6

Best Used For

  • 1911 owners replacing a worn mainspring cap pin with a factory-style part
  • Gunsmiths or hobbyists maintaining 1911 Auto pistols with U.S.-made components
  • Users wanting a blued finish part for a 1911 Auto pistol
  • Buyers looking for a six-pack of replacement pins for routine maintenance

Specifications

Blade FinishBlued
Country Of OriginU.S.-Made
Fits1911 Auto
GuaranteeGuaranteed to fit and function just like the factory part
MaterialCarbon steel
Quantity6 Pack

Pros

  • U.S.-made replacement parts for the 1911 auto pistol
  • Fits 1911 Auto pistols according to the provided specifications
  • Blued finish identified in the product title
  • Six-pack quantity offers multiple replacement parts
  • Carbon steel construction is listed in the specifications
  • Described as fitting and functioning like the factory part

Considerations & Trade-offs

  • Fits 1911 Auto pistols only, so it is not a universal small-parts package for other handgun platforms.
  • The listing is for a 6-pack, which is useful for spares but may be more than needed for a single repair.
  • The part is described as blued (B), so finish matching matters if you are replacing a visible factory component.
  • The description confirms carbon steel construction, but does not provide additional material or dimensional details beyond fit and finish.

Suggested Comparisons

  • 1911 small parts kits
  • 1911 mainspring housing components
  • 1911 replacement pins and springs
  • 1911 maintenance and repair parts

Suggested Accessories

  • Gun cleaning supplies
  • Pistol maintenance tools
  • 1911 replacement springs
  • Pistol parts storage case

Frequently Asked Questions

What pistol does this mainspring cap pin fit?

It is listed as fitting the 1911 Auto pistol.

How many pins are included in the package?

This product is a 6 pack.

What material is listed for these parts?

The specifications state that all parts are carbon steel.

What finish is indicated for this version?

The product title identifies this version as blued.

Is this an original factory part?

The description says the parts are U.S.-made and guaranteed to fit and function just like the factory part, but it does not state that they are original factory parts.