Browning Arms Shop

Replacing a Coil Trigger Return Spring in a Browning Buck Mark

A Browning Buck Mark trigger return spring is a small component with an important job. It helps return the trigger after each press, and a weakened, bent, or incorrectly fitted coil can cause an unreliable reset or an unusually light trigger feel.

This work requires care because the trigger group contains small parts that can move unexpectedly. The correct spring also varies with Buck Mark generation and configuration, so identification should come before disassembly.

Australian owners need to consider both mechanical safety and local firearms law. A pistol must be unloaded, stored and handled according to the requirements of the relevant state or territory, and some repairs are best completed by a licensed firearms dealer or gunsmith.

Safety And Australian Requirements

Before touching the pistol, remove the magazine, open the action and visually and physically check the chamber. Keep ammunition in another room, work over a clear bench, and use eye protection. A spring or retaining part can launch across the room when pressure is released.

In Australia, rules differ between New South Wales, Victoria, Queensland, South Australia, Western Australia, Tasmania, the ACT and the Northern Territory. A repair that affects a firearm’s operation may need to be performed by an appropriately licensed professional. If you are uncertain, contact your local firearms registry, club armourer or licensed gunsmith before beginning.

Identify The Correct Buck Mark Variant

Buck Mark pistols have appeared in several configurations, including Standard, Camper, Field, Target and URX-style models. Grip panels, sight arrangements, barrel lengths and internal revisions can affect the order of disassembly and the correct trigger return spring.

Use the owner’s manual, an exploded parts diagram and the pistol’s model markings to confirm the part. Photograph the trigger area before removing anything. A useful reference alongside official documentation is Buck Mark resources, particularly when comparing older and later assemblies.

Do not substitute a random coil from a general spring assortment. The wire diameter, leg length, coil diameter and free length all influence trigger reset and safe operation.

Tools And Parts To Gather

A clean, well-lit bench is more valuable than a large collection of tools. Use hollow-ground or properly sized screwdrivers for grip and frame screws, a non-marring bench block, a small pick or spring hook, and a tray for retaining pins and screws.

Have the exact replacement spring available before opening the pistol. A small parts mat and a phone camera can prevent confusion, especially if this is the first time the Buck Mark trigger group has been exposed.

Useful preparation items include:

Access The Trigger Assembly Carefully

With the pistol verified empty, follow the manufacturer’s field-stripping instructions for your exact model. Remove only the components needed to reach the trigger return spring. Do not force the barrel, frame screws or grip panels if a screw feels stuck; a damaged screw head can turn a simple repair into a specialist job.

The coil spring normally works between the trigger and a fixed point in the frame or trigger housing. Before removing it, record which leg bears against the trigger and which leg rests against the frame. The spring’s orientation matters because the coil must provide forward return pressure rather than obstructing trigger movement.

A spring hook or fine pick can help lift one leg from its seat, but avoid levering against thin aluminium edges. If the spring appears trapped under another part, stop and consult the diagram instead of guessing.

Compare Repair Options

The best repair route depends on the spring’s condition, your experience and the rules applying where the pistol is held. A replacement spring can resolve a clear mechanical fault, but a trigger that remains abnormal after replacement needs professional inspection.

Repair route Appropriate when Main advantage Main concern
Replace the coil spring yourself The correct part and instructions are available Quick, low-cost component repair Incorrect orientation or reassembly
Use a licensed gunsmith The trigger group is unfamiliar or damaged Qualified inspection and function testing Labour cost and appointment time
Replace the complete trigger assembly Several parts are worn or altered Restores matched components More expensive and model dependent
Retire the pistol from use temporarily The trigger fails to reset or behaves unpredictably Prevents unsafe firing Requires professional diagnosis

For Australian shooters, a licensed local dealer can also help source compliant parts and document the work. That may be particularly useful when buying an older used Buck Mark or transferring a pistol between dealers in places such as Melbourne, Brisbane or Perth.

Install And Test The New Coil

Compare the new spring with the old one before fitting it. Set the coil into its recess, place each leg against its original contact point, and check that the spring is not twisted sideways. The trigger should move smoothly without scraping, binding or forcing the coil out of its seat.

Reassemble in the reverse order specified for the model. Tighten screws evenly and avoid excessive torque. Perform all checks with the pistol unloaded and no ammunition on the bench. The trigger should return reliably after a gentle press, and the action should operate without unusual resistance.

Stop immediately if the trigger fails to reset, the action will not close correctly, the safety behaves differently, or any part remains loose. Do not attempt to improve the pull by cutting, stretching or heating the spring.

Function Checks And Ongoing Care

After reassembly, carry out the manufacturer’s recommended unloaded function checks. Confirm that the safety operates as designed, the trigger returns consistently and the action cycles normally. If any test produces an unexpected result, keep the pistol unloaded and take it to a licensed gunsmith.

Basic care helps prevent repeat failures:

A Buck Mark used regularly at a club range near Sydney or Adelaide may need more frequent inspection than a pistol fired only occasionally. Australian heat, humidity and salty coastal air can also accelerate corrosion, especially where the pistol is stored in a case without adequate drying.

When Professional Service Is The Better Choice

A gunsmith should handle the job when the pistol has aftermarket trigger parts, damaged screw heads, missing retaining hardware or an unknown service history. The same applies when the trigger pull has changed suddenly, the pistol has been dropped, or the replacement spring does not match the original.

If you are sourcing a replacement firearm or comparing used Buck Mark listings while deciding whether repair is worthwhile, Browning Arms Shop provides a catalogue of new and used Browning firearms. Used listings can be reviewed for condition details, with shipment arranged to an FFL dealer where applicable; Australian buyers must separately follow local import, licensing and dealer requirements.

A correctly installed coil should restore consistent trigger return, not create a lighter or faster trigger. When there is any doubt, leave the pistol unloaded and arrange an inspection through a licensed Australian firearms professional.