Magazine Feeding – Diagnosing and Fixing on Prairie Dogs

Diagnose weak springs, bent lips, and follower problems causing magazine feeding failures during high-volume prairie dog shooting sessions.

He changed magazines for the fourth time and the rifle fed a round crooked, the nose of the cartridge diving at the ramp like a swimmer at the edge of a pool. He pulled the magazine, looked at it, and set it on the tailgate apart from the others. It had worked all spring. Now, after a long morning of hard cycling, it had decided to quit, and the colony did not care at all.

A colony is the hardest test a magazine will ever face. A hunter loads a few rounds in a magazine for a season and may never see a fault, but a prairie dog shooter loads and unloads constantly, swaps magazines under pressure, and drops them on rough ground, all of which exposes weak springs, bent feed lips and sticking followers that a short life in the woods would never reveal. The good news is that magazine trouble is among the easiest to diagnose, because the evidence travels with the magazine. This article explains how to recognize a magazine fault, what each part does and how it fails, how to isolate the culprit quickly, and how to keep problems from ending your session, without quoting capacities or round counts that depend on your rifle.

Is It the Magazine?

Magazine feeding failures look different from action or ammunition troubles. The bolt closes on an empty chamber, a round dives nose-first into the ramp, or cartridges present at odd angles. The decisive question is whether the problem follows one magazine or appears with all of them. If it clusters around one or two while the others run flawlessly, you have found your culprit.

On a colony you cycle quickly enough to see the pattern, so use that. Notice which magazine was in the rifle when each failure happened, and pull the suspect from rotation before it costs more shots. Magazines and feeding describes how feeding trouble can destroy your tempo, and action and feeding quick checks covers the cases where the rifle is the real source.

Tired Springs

Spring fatigue is the most common magazine complaint. A weak spring cannot lift rounds with enough force or speed, so the bolt skips over a cartridge or catches it at the wrong angle. You may see rounds not chambering smoothly, or the bolt closing on empty with ammunition still in the magazine. Springs weaken with age, with heat, and sometimes with long periods under load, though I will not claim a specific time because the evidence is mixed.

A simple test is to load the magazine and press down on the top round. It should push back firmly. If it feels mushy and compresses easily under your thumb, the spring is done. There is no reliable field repair. Mark the magazine, set it aside, and use a good one. Replace the spring or the whole magazine when you get home. Storing bulk ammo discusses heat, which is also hard on springs left loaded in a hot vehicle.

Bent Feed Lips

The feed lips hold the cartridges and set the angle at which they meet the bolt. Bend them even slightly and rounds nose-dive, tilt sideways or fail to release. The result is a consistent misfeed from one magazine, often with scuffed case mouths or bullet tips as evidence. Look straight down into an empty magazine. The lips should be symmetrical and parallel, and your finger should find no dents or uneven spacing along the edges.

Lips bend from drops, from slamming a loaded magazine home, and from forcing rounds in at the wrong angle. Fixing them in the field is not reliable, and bending them back with pliers usually makes feeding worse, since the geometry is delicate. Pull the magazine, mark it with tape, and replace it. Ammo failures and misfires explains how damaged cartridges can come from the same abuse, so check the rounds too.

A Magazine Inspection Checklist

  • Look straight down at the feed lips for symmetry
  • Feel the edges for bends or dents
  • Press the top round to test spring tension
  • Watch the follower rise for binding or tilt
  • Wipe the body and clear dust from the inside
  • Mark any suspect magazine clearly
  • Keep known-good magazines separate

Followers That Stick or Tilt

The follower is the platform that rides the spring and offers each round to the bolt. When it sticks or tilts, it binds against the body and rises unevenly, so some rounds feed and others hang. The problem is intermittent, which makes it tricky, because a magazine that works for ten rounds can fail on the eleventh and fool you into thinking it is cured.

Dust, sand and fine grit cause most follower trouble, and a dented body or damaged spring can cause the rest. Try wiping the body and clearing debris, and if the follower still binds, retire the magazine. A tilting follower in particular will keep failing in unpredictable ways. Prairie dust and dust-proofing your optics describe the dust habits that protect all your gear, magazines included.

Isolating the Problem Quickly

When a feeding failure happens, clear it and note the magazine. Reload that same magazine and fire another string. If the trouble returns within a few rounds, you have probably found the cause. Then confirm by rotating through your other magazines. If they all run clean while the suspect keeps failing, the diagnosis is firm.

Mark the bad magazine at once with bright tape or a permanent marker, and keep it away from your good ones. A common mistake is to let a problem magazine drift back into rotation, which means diagnosing the same fault again an hour later. Some shooters demote retired magazines to dry-fire practice, which is a sensible second life. Lost accuracy, systematic diagnosis teaches the same discipline of changing and testing one thing at a time.

SymptomMagazine problemNot the magazine
Follows one specific magazineYes, retire itTest more magazines
Happens with every magazineUnlikelyCheck the action and ammunition
Nose-diving roundsBent feed lips likelyCould be the feed ramp
Last rounds will not feedWeak spring or followerCheck the spring first
Rounds tilt sidewaysFeed lips or followerMagazine issue

Mistakes With Magazines

  • Blaming the rifle before testing several magazines
  • Keeping a failing magazine in rotation
  • Bending feed lips back with pliers
  • Not marking problem magazines
  • Overfilling beyond capacity
  • Leaving magazines loaded for long periods in the heat
  • Dropping loaded magazines on hard ground
  • Assuming all magazines of one brand are identical

Keeping Magazines Healthy

Healthy magazines come from small habits. Do not overload them, do not slam them home, and do not drop them loaded on rocks. Clean the dust out between sessions, inspect the lips and the follower, and rotate your magazines so one does all the work. Carry more than you think you will need, because a swap is the cheapest cure for a failure.

Preparation helps. Complete packing list and vehicle setup both cover how to carry magazines so they arrive in working order, and cold morning starts reminds you to test feeding before the colony wakes. The pacing in realistic string limits also reduces the stress of constant reloading, and discipline for prairie dogs holds all of this together.

Beyond the colony, the lesson is general. Small game basics and coyote hunting mastery both rely on a rifle that feeds when called, and your first prairie trip shows how a beginner can keep a simple kit working.

What Different Magazines Teach You

Not all magazines are equal, and a colony teaches the difference quickly. Some designs tolerate dust and rough handling, while others work beautifully at the range and sulk in the dirt. I will not rank brands, because the evidence on my own bench is limited, but I will say that a magazine proven on your rifle in the conditions you shoot is worth more than a new one in a pretty box. Test every magazine with dummy rounds before a trip, and again with live ammunition at the start of the day.

Think about rotation as well. If you cycle every magazine equally, wear is spread evenly and a failing one shows itself early. If you favor one, it will fail first and leave you with no baseline for comparison. Keep a small notebook entry for each magazine, and mark them with numbers. Lot number consistency works the same way for ammunition, and varmint bullets reminds you that the bullet shape can change how a round sits in a feed lip. Tracking through recoil is worth a look too, since a hurried reload is often where a good magazine meets a bad habit.

The Short Version

  • Volume exposes magazine weaknesses
  • Springs and feed lips are the most common faults
  • Test several magazines to isolate the problem
  • Mark and retire the failing magazine
  • Replace, do not repair, in the field
  • Carry spares so a failure does not end the day

Magazine Feeding on Prairie Dogs

How long do magazine springs last?

There is no fixed number. Springs weaken with age, heat and heavy use, so inspect them regularly and replace any that feel mushy.

Can I fix bent feed lips in the field?

Not reliably. The geometry is precise, and bending them back usually makes feeding worse, so replace the magazine.

How do I know whether it is the magazine or the rifle?

Swap magazines. If the trouble follows one magazine, it is the magazine, and if every magazine fails, look at the rifle or the ammunition.

Should I carry extra magazines?

Yes. A spare magazine lets you swap out a failure and keep shooting.

How often should I clean magazines?

Wipe them down and check for dust each evening on a multi-day trip, since dust collects inside and binds the follower.

How should I mark a problem magazine?

Use bright tape or a marker so you cannot grab it by mistake while concentrating on a shot.

Is shooting prairie dogs legal wherever I find a colony?

No. Seasons, methods and access rules differ by state and landowner, so confirm what applies and get permission before you go.

The Magazine on the Tailgate

I think about that magazine set apart from the others, and how easy it was to do once he knew. The colony would have waited forever. Mark the failure, swap the magazine and move on, and the morning stays yours.

Maksym Kovaliov
Maksym Kovaliov

Maksym Kovaliov is a hunter with over 30 years of field experience, rooted in a family tradition passed down from his father and grandfather - both trappers in Soviet-era Ukraine. A Christian, a conservative, and a fierce advocate for the First and Second Amendments, Maksym came to the United States as a refugee after facing persecution for his journalism work. America gave him freedom - and wider hunting horizons than he ever had before. His writing combines old-school fieldcraft, deep respect for proven methods, and a critical eye toward anything that hasn't earned its place in the field.