Receiver PartsAlg DefenseSold by Brownells

Alg Defense

Ak-47/74 High Energy Main Spring

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

Performance Replacement

Spring for AK47/74 platform rifles

Chrome Silicon

Single-wire spring fabricated to ASTM

Develops 25%

More torque than a standard

Designed Lower

Lock time

Intended Increase

Consistency of primer ignition

$9.99
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SKU: 100018972

Overview

Designed as a replacement mainspring for AK47/74 platform rifles, this component is intended for shooters looking to update the rifle’s ignition system with a performance-oriented spring. It is made from chrome silicon single wire spring material and fabricated to ASTM A401 specifications. According to the provided product information, it develops 25% more torque than a standard factory mainspring, with the goal of reducing lock time and improving primer ignition consistency. For hunters and field shooters maintaining an AK-pattern rifle, it offers a focused upgrade without changing the platform’s core setup.

Why Hunters Choose the Alg Defense

Performance Replacement

Spring for AK47/74 platform rifles

Chrome Silicon

Single-wire construction

Fabricated Astm

A401 specifications

Develops 25%

More torque than a standard

Designed Lower

Lock time

Key Features

  • Performance replacement spring for AK47/74 platform rifles.
  • Chrome Silicon single-wire spring fabricated to ASTM A401 specifications.
  • Develops 25% more torque than a standard factory mainspring.
  • Designed to lower lock time.
  • Intended to increase consistency of primer ignition.
  • Made by ALG Defense; specified as chrome silicon steel.

Best Used For

  • AK47/74 owners seeking a performance replacement mainspring for their rifle platform
  • Shooters wanting a spring designed to increase consistency of primer ignition
  • Users looking for a chrome silicon single-wire mainspring made to ASTM A401 specifications
  • Owners replacing a factory main spring with a higher-torque option for AK47/74 rifles

Specifications

Lock Timelowering lock time
MaterialChrome silicon steel
PlatformAK47/74 platform rifles
Primer Ignitionincreasing the consistency of primer ignition
Product Typeperformance replacement spring
Specification StandardASTM A401
Spring TypeChrome Silicon single wire spring
Torque Increase25% more torque over a standard factory main spring

Pros

  • Performance replacement spring for AK47/74 platform rifles
  • Chrome silicon single-wire construction
  • Fabricated to ASTM A401 specifications
  • Develops 25% more torque than a standard factory mainspring
  • Designed to lower lock time
  • Intended to improve primer ignition consistency

Considerations & Trade-offs

  • Designed as a performance replacement for AK47/74 platform rifles, so it is not a universal spring and should only be considered for compatible setups.
  • Its higher-torque design is intended to change trigger feel and ignition characteristics, which may not suit users looking for a standard factory-like setup.
  • The product information does not include installation details or compatibility notes beyond the AK47/74 platform, so fit should be verified before purchase.

Suggested Comparisons

  • AK47/74 replacement springs
  • AK-pattern rifle parts
  • Rifle maintenance and upgrade components

Suggested Accessories

  • Replacement spring
  • AK platform maintenance kit
  • Small parts organizer
  • Gun cleaning supplies

Frequently Asked Questions

What rifles is this mainspring made for?

It is described as a performance replacement spring for the AK47/74 platform rifles.

What material is the spring made from?

The product data lists it as Chrome Silicon single wire spring and also specifies Chrome silicon steel.

What does the product say about performance compared with a factory spring?

The source states it develops 25% more torque over a standard factory main spring, with the stated effects of lowering lock time and increasing the consistency of primer ignition.

Is this a complete trigger or fire control kit?

No. Based on the description, this is a replacement mainspring only.

Does the product data include dimensions, weight, or country of origin?

No. Those details are not provided in the source data.