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Gm-451 Pro-Springs(TM) For Action Tuning - Gm-451 10lb Pro-Spring Kit For 1911 Action Tuning

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

Replacement Spring

Kit for Government Model 1911

Includes Five

Wolff coil springs and a

Variable Power

Recoil spring is designed for

Hammer Spring

Is included to help lighten

Three Kits

A different recoil spring strength

$23.99
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SKU: 080665451

Overview

This spring kit is intended for 1911 action tuning, giving gunsmiths and serious shooters a set of replacement springs for a more precise setup. It includes a variable power recoil spring, hammer spring, extra power firing pin spring, magazine catch, Series 80 firing pin safety block spring, plunger tube springs, and a factory-style 3-leaf sear spring. The 10 lb recoil spring version is suited to light loads and competition guns, and the variable power recoil spring is designed to work with a wider range of ammo than single power springs. It is a practical choice for a Government Model tuning job where controlled function and trigger pull adjustment are the main goals.

Why Hunters Choose the Brownells

Includes Variable

Power recoil spring for a

Contains Three

Different recoil spring strengths for

Designed Replace

All the springs in a

Includes Hammer

Spring intended to lighten trigger

Complete Spring

Five Wolff coil springs and

Key Features

  • Replacement spring kit for Government Model 1911 action tuning
  • Includes five Wolff coil springs and a factory-style three-leaf sear spring
  • Variable power recoil spring is designed for a wider range of ammo than single-power springs
  • Hammer spring is included to help lighten trigger pull
  • Three kits are available, each with a different recoil spring strength
  • GM-451 version includes a 10 lb recoil spring for light loads and competition guns

Best Used For

  • 1911 owners tuning a Government Model for lighter trigger pull and smoother function
  • Shooters using light loads who need a 10 lb recoil spring option
  • Competitive pistol users setting up a comp gun with matched replacement springs
  • Gunsmiths or experienced hobbyists doing a full spring refresh on a 1911 action

Specifications

IncludesVariable Power Recoil Spring; Hammer Spring; Extra Power Firing Pin Spring; New Magazine Catch; Series 80 Firing Pin Safety Block Spring; Plunger Tube Springs; Sear Spring
Kit Contents5 Wolff coil springs plus a factory-style, 3-leaf sear spring
ModelGM-451
Number Of Kits3
Recoil Spring Strength10 lb.
Recoil Spring TypeVariable Power Recoil Spring
Recoil Spring Uselight loads, comp guns
Replaces All The Springs For Precise Tuning Of The Government ModelGuaranteed Superior
Spring BrandWolff

Pros

  • Includes a variable power recoil spring for a wider range of ammunition than single-power springs.
  • Contains three kits with different recoil spring strengths for tuning flexibility.
  • Designed to replace all the springs in a Government Model 1911 action.
  • Includes a hammer spring intended to lighten trigger pull.
  • Provides a complete spring set with five Wolff coil springs and a factory-style sear spring.
  • Supplied by Brownells for 1911 action tuning applications.

Considerations & Trade-offs

  • The 10 lb recoil spring is intended for light loads and comp guns, so it is a more specialized option than a general-purpose spring setup.
  • This kit is focused on 1911 Government Model action tuning, so it is not a universal fit for other platforms.
  • The description emphasizes improved functioning and reduced trigger pull, but the actual result depends on the rest of the pistol setup and the load being used.
  • It includes multiple springs and a magazine catch, so installation is a tuning project rather than a simple drop-in accessory for casual use.

Suggested Comparisons

  • 1911 action tuning spring kits
  • 1911 replacement spring sets
  • pistol trigger tuning parts
  • recoil spring kits

Suggested Accessories

  • Gun cleaning kit
  • Honing stone
  • Gun oil
  • Replacement springs

Frequently Asked Questions

What is included in the GM-451 Pro-Spring kit for 1911 action tuning?

The kit includes 5 Wolff coil springs plus a factory-style 3-leaf sear spring. The listed parts are: a variable power recoil spring, hammer spring, extra power firing pin spring, new magazine catch, Series 80 firing pin safety block spring, plunger tube springs, and the sear spring.

What recoil spring strength does this GM-451 kit use?

This GM-451 kit is the 10 lb. recoil spring version, described as suitable for light loads and comp guns.

Is this kit intended for a Government Model 1911?

Yes. The short description says it replaces all the springs for precise tuning of the Government Model, and the long description identifies it as a 1911 action tuning kit.

Does the product say what ammunition it works with?

The description says the variable power recoil spring functions with a wider range of ammo than single power springs. It does not specify exact load types beyond noting that the 10 lb. version is for light loads and comp guns.

Will this kit reduce trigger pull?

The long description says the replacement springs form the basis of a top-quality 1911 tuning job and are intended to greatly improve functioning and reduce trigger pull. It does not provide a quantified trigger-pull reduction.