W&A Wesson Arms

Preventive maintenance for your S&W semi-auto magazines

A semi-automatic pistol magazine is a working part, not merely a container for cartridges. Its spring, follower, feed lips, body and baseplate all contribute to reliable feeding, and small faults can develop long before obvious damage appears. Regular inspection helps identify dirt, corrosion, deformation and weakening components before they affect safe operation.

Preventive maintenance for your S&W semi-auto magazines should follow the specific instructions for the model, whether it is an M&P pistol, a compact Smith & Wesson handgun or another centre-fire design. Magazine dimensions and internal parts can vary, so avoid assuming that a procedure suitable for one magazine applies to every magazine in your collection.

Australian owners also need to account for local law and conditions. Firearms and magazines are regulated at state and territory level, storage requirements are strict, and transport to a range in Sydney, Melbourne, Brisbane, Perth or another city must be lawful and secure. Use only magazines permitted for your licence and jurisdiction, and confirm current requirements with the relevant firearms registry or a licensed dealer.

Start with safety and identification

Before handling a magazine, move to a clean, well-lit area away from ammunition. Keep the firearm pointed in a safe direction, remove its magazine, open the action and verify the chamber is empty according to the owner’s manual. A magazine should be treated as loaded until you have checked it and removed all cartridges.

Separate ammunition from cleaning products, oils and loose parts. Wear eye protection when removing a baseplate because a compressed magazine spring can release suddenly. If you are unfamiliar with magazine disassembly, limit your work to external cleaning and inspection, then ask a qualified gunsmith or licensed firearms dealer to service the internals.

Identify each magazine by model, capacity and condition. Marking magazines with a discreet number can help track recurring feed issues, especially when several magazines look alike. Do not file, stretch or otherwise alter feed lips, and do not increase capacity. Any modification may affect reliability, legality or both.

Inspect the parts that control feeding

Examine the magazine body for dents, cracks, bulges, deep scratches and rust. A dent near the feed lips or along the internal travel path can restrict the follower. Light surface discolouration may be cleanable, but pitting, spreading cracks or a distorted body are reasons to withdraw the magazine from service pending professional assessment.

Check the feed lips for uneven height, spreading, chips or sharp burrs. They control how the cartridge is presented to the pistol, so even a small change can cause inconsistent feeding or premature release. Compare a suspect magazine with a known-good example of the same type rather than attempting to bend the lips back into shape.

Inspect the follower for cracks, excessive wear and free movement. With the magazine empty, it should travel smoothly without catching. Look at the spring for obvious kinks, heavy corrosion or signs that it has been crushed. A spring that has lost tension may contribute to failures, particularly when the magazine is full or when the pistol is used rapidly at a supervised range.

Clean without over-lubricating

For routine cleaning, remove loose grit with a soft nylon brush, lint-free cloth or compressed air used carefully. A small amount of manufacturer-approved cleaner can help remove dust and residue from the magazine body and baseplate. Follow the product label, and keep solvents away from ammunition, wooden surfaces and finishes that the product may damage.

Many modern Smith & Wesson magazines can be cleaned effectively while assembled. If the owner’s manual permits disassembly, work over a tray so the spring, follower and locking plate cannot escape. Take a photograph before separating parts, and keep components from different magazines together because springs and followers are not automatically interchangeable.

Magazine interiors should generally be dry or only very lightly treated with a suitable corrosion inhibitor. Excess oil attracts dust, fouling and grit, which can slow the follower and contaminate cartridges. Never oil the inside of a magazine immediately before loading it, and wipe away any visible residue before returning it to service.

Australia’s climate makes this especially important. Coastal air in places such as Newcastle, Sydney, Adelaide and Perth can accelerate corrosion, while heat inside a vehicle or storage cabinet can worsen residue and condensation. Allow equipment exposed to rain or humid range conditions to dry naturally in a secure area before placing it in a protective case.

Check storage, transport and range use

Store magazines unloaded when they are not required for lawful use, and keep them in the secure storage arrangement required by your state or territory. Firearms, magazines and ammunition may have separate storage or access requirements. A locked container, dry environment and clear separation from household clutter reduce both corrosion risk and accidental access.

Before travelling to a range, inspect the magazine and pack it in a secure case or container as required by local rules. Long drives from regional areas to clubs near Melbourne, Brisbane or Canberra can expose equipment to dust, vibration and temperature changes. Do not leave firearms or magazines unattended in a vehicle, even briefly, and check the current transport rules before travelling between jurisdictions.

At the range, keep magazines off wet benches, concrete floors and sandy ground. A dedicated magazine pouch or clean mat prevents grit from entering the feed lips and baseplate area. If a magazine is dropped, stop using it until you have checked for dents, a loose baseplate, a stuck follower or visible contamination.

A magazine that produces repeated stoppages should be labelled and removed from normal use. Record the pistol, ammunition type, magazine number and symptoms without repeatedly testing a suspected fault. A gunsmith can then distinguish a magazine problem from an issue involving ammunition, grip, extractor, feed ramp or another firearm component.

Build a simple maintenance routine

A practical schedule is easier to maintain than occasional intensive cleaning. Inspect every magazine before and after range use, and carry out a more detailed check whenever a magazine has been dropped, exposed to water or stored for an extended period. Replace damaged parts with correct, manufacturer-compatible components rather than improvised substitutes.

Use this checklist as a basic record:

Replacement springs, followers and baseplates should match the exact Smith & Wesson magazine specification. Products advertised for a similar-looking M&P model may not fit correctly, and aftermarket parts can alter function or compliance. Check the firearm manual, the part number and the advice of a licensed dealer before purchasing.

Before returning a serviced magazine to ordinary use, conduct any function checks described in the owner’s manual with the firearm unloaded and in a safe environment. Do not use live ammunition for a maintenance test. If the magazine does not seat, retain, release or feed as specified, stop and obtain professional assistance.

A clean magazine is still a safety component that deserves disciplined handling. Keep a written maintenance log, retire questionable magazines rather than forcing them into service, and verify Australian storage, transport and capacity rules whenever your circumstances or location change. The practical takeaway is simple: inspect regularly, clean lightly, replace damaged parts and seek qualified help when a magazine’s condition is uncertain.