​Browning A Bolt Trigger Adjustment | Browning A Bolt & A Bolt II Trigger Spring Kit

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  • Reduce your trigger pull from a stock 3.5 lbs to a modified 2 bs
  • Improve accuracy and overall rifle performance
  • Nearly 40% Browning A Bolt Trigger Adjustment!
  • Get the Best Browning A Bolt Trigger Job!
  • Also compatible with Browning A Bolt I & II Trigger!
  • How to adjust trigger on a Browning A-Bolt Video
  • Highest Quality American Spring Steel ASTM A228 Music Wire
  • Protected by the M*CARBO 100% Lifetime Guarantee
  • Made in the USA!
  • Fast Same Day Shipping!

Browning A-Bolt / A-Bolt II Trigger Spring Kit

  • Consists of a custom designed and manufactured Sear Spring

M*CARBO offers the Browning A Bolt Trigger Adjustment Solution for the A-Bolt and A-Bolt II which were produced from 1985 to 1998.Check age by serial number here.

Browning A Bolt Trigger Spring is manufactured from the highest quality American Spring Steel - ASTM A228 Music Wire to give you the Best Browning A Bolt Trigger Job!

Improve the Trigger for your Browning A Bolt in less than 30 minutes by watching our How to adjust trigger on a Browning A-Bolt Video. The Browning A Bolt Trigger Replacement Kit will improve your accuracy and tighten your shot groups.

Get the right solution for the Original Browning A Bolt and A Bolt II. Custom Browning A Bolt Trigger will get you solid results with minimal effort. No need to over pay for a Timney Trigger Browning A Bolt product when you can get better results for less with the M*CARBO Browning A Bolt Trigger Spring!

You deserve the finest Browning A Bolt Trigger Pull available! No need to bother with the Discontinued Moyer Trigger for Browning A-Bolt or Overpriced Timney Trigger Browning A Bolt.

If you have a Browning AB3 take a look at the Browning AB3 Trigger Here.

Current Browning Serial Number System


2G7=Gold Medallion
L17=Medallion Left Hand
2M7=Micro Medallion
7S7=Stainless Stalker
LS7=Stainless Stalker Left Hand
7C7=Composite Stalker

A-Bolt II

351=All A-Bolt II Centerfire Rifles

3G7=Gold Medallion
K17=Medallion Left-Hand
3M7=Micro Medallion
8S7=Stainless Stalker
KS7=Stainless Stalker Left-Hand
8C7=Composite Stalker

Browning A-Bolt / A-Bolt II Owners Manual

Browning A-Bolt / A-Bolt II Trigger Spring Kit Printable Instructions

No Hassle 100% Lifetime Guarantee on Parts & Accessories:

The Browning A-Bolt / A-Bolt II Trigger Spring Kit is protected by the M*CARBO No Hassle 100% Lifetime Guarantee. This means that at any time you can send it back and we will exchange it, issue a refund or assist you in any way possible. We even pay return shipping and automate the return process here!

Drop Tested and Approved:

Browning A-Bolt / A-Bolt II Trigger Spring Kit is an M*CARBO ASTM Spec Spring that will offer a perfect trigger pull reduction with an unlimited drop test rating (3", 6", 9" & 12"+).

Range Tested and Approved:

The Browning A-Bolt / A-Bolt II Trigger Spring Kit has been tested repeatedly with numerous brands of ammunition to ensure reliable operation and safety.

Veteran Owned and Operated Business:

American made Browning A-Bolt / A-Bolt II Trigger Spring Kit designed and manufactured by Combat Veterans. We will donate a portion of your purchase to the Military Foundations we humbly support.


You must be 18 yrs of age to purchase. We advise that all parts purchased from our inventory be installed and inspected by a qualified gunsmith. Modifying your weapon may be prohibited in your state. Do not modify your sear or hammer engagement surfaces, with or without the Browning A-Bolt / A-Bolt II Trigger Spring Kit. Before installing please be sure to check all local state and federal laws. By installing this part you agree to take full responsibility for any and all legal, health and warranty consequences that may be incurred.

Overall Customer Rating of 8 Reviews:
West Columbia SC

Abolt easy

The best way to make a Abolt trigger pull to 2lbs or less

afognak island

trigger spring a bolt 3

first off the service is great with Mcarbo I live remote on Kodiak island when you get something you order in a week that's good.

If you own a browning AB3 put this spring in its easy to do and your trigger pull will be around 2 1/2 pounds

New South Wales

Incredibly easy to install and works very well


Trigger Spring for Browning A Bolt II

Spring works great. It breaks between 1.75-2 pounds, which is a narrower range for factory trigger, about 1 pound range. I could have set it even lighter but it feels great where it is.

Decatur Alabama


The team at mcarbo are excellent. They followed up on there shipping and the fit and finish of my purchase. A great company to be associated with.