How to Reassemble a Beretta 92FS Slide Step by Step

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Home » Watch & Learn » Disassembly & Reassembly » How to Reassemble a Beretta 92FS Slide Step by Step
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Prefer reading or need assistive support? Click here for the full slide reassembly transcript (.VTT).

Putting a Beretta 92FS, M9A1, or 96 slide back together doesn’t have to be frustrating. Whether you just deep cleaned it, replaced parts, or had it Cerakoted—this guide walks through each step with video timestamps, part order, and key install tips to get it done right.


TL;DR

  • Rebuild your Beretta 92FS, M9A1, or 96 slide from scratch

  • Covers barrel, firing pin, extractor, safety lever, and firing pin block

  • Video timestamps walk through every install step

  • Avoid common issues like misaligned safeties or reversed firing pins

  • Ideal after cleaning, upgrades, or slide refinishing


Need Help Troubleshooting Your Beretta 92?

Slide won’t cycle? Trigger acting weird? Safety out of alignment?

🛠️ Check the Beretta 92/96/M9 Troubleshooting Guide

Step-by-step fixes for common issues on the 92FS, M9A1, and Beretta 96—slide or frame.


Why Should You Reassemble the Beretta Slide?

Rebuilding your slide keeps your pistol running reliably. After a deep clean or Cerakote job, or when swapping worn parts like the extractor or safety lever, reassembly is where it all comes together. Done right, everything fits smooth and functions like factory.


What Tools Do You Need to Reassemble a Beretta 92FS Slide?

Optional but helpful:

  • Parts tray

  • Magnifier lamp for spring alignment

  • Small flat-blade screwdriver for leverage


How do you assemble the barrel group?

Video Timestamp: 0:41

  • Drop the locking block into the barrel—flat sides aligned

  • Fit the barrel into the slide

  • Insert the recoil spring into the guide rod

  • Compress and seat the assembly under the barrel

Tip: If the locking block feels gritty, stop and inspect. Polished or lightly oiled parts slide easier.


How do you install the firing pin?

Video Timestamp: 3:07

  • Drop the firing pin spring into the slide channel

  • Insert the firing pin flat side down, notch facing the extractor side

  • Push until it seats flush

Check: Press the firing pin with a punch. It should spring back cleanly.


How do you install the extractor?

Video Timestamp: 4:10

  • Load the extractor plunger and spring into the side channel

  • Set the extractor in place over the pin channel

  • Hold pressure and press it in until it clicks

Tool Trick: A punch helps hold the plunger steady if the spring fights back.


How do you install the safety lever?

Video Timestamp: 6:38

  • Insert the detent and spring into the right safety lever

  • Press it into the right side of the slide

  • Use a pick to hold the detent while you rotate and snap in the left lever

Warning: Forcing it will snap the detent. Line it up, compress it, and listen for the click.


How do you install the firing pin block?

Video Timestamp: 11:59

  • Drop the spring into the pin block channel

  • Insert the firing pin block on top

  • Press it flush and verify it moves freely

Test: Rotate the safety. The pin block should rise and drop with no hang-up.


What Should You Check During Slide Reassembly?

  • Firing pin springs freely when pressed

  • Extractor seats fully with no rattle

  • Safety lever rotates without grinding

  • Firing pin block resets under spring pressure

  • No loose parts, missing springs, or backwards install


How Should You Prep the Slide for Cleaning or Final Assembly?

  • Wipe down each part with a clean rag

  • Lightly oil the firing pin, extractor plunger, and safety detent

  • Confirm all springs are correctly oriented

  • Double check slide function before mounting to frame

FAQ – Beretta 92FS Slide Reassembly

Does this work for the M9A1 and Beretta 96?

Yes. The slide parts and reassembly steps are the same across the 92FS, M9A1, and 96 series.

Can I install the extractor before the firing pin?

Nope. The firing pin goes in first. The extractor blocks that channel, so it has to be last.

What’s the most common mistake during reassembly?

Misaligning the safety lever detent. People force it and snap the pin. Use a pick and go slow.

How do I know if the firing pin block is working?

Rotate the safety. The block should lift when the lever moves, then drop back on its own. No grit or drag.

Do I need threadlocker or torque settings?

No threadlocker. No torque. Every part is held by detents or spring tension.

What tools do I absolutely need?

A 1/16” punch and a pick tool. That’s it. Everything else just makes life easier.

Can I do this if I’ve never worked on a gun before?

Yes—as long as you go slow and follow each step. The video timestamps help a ton.

🔧 More Beretta 92FS Teardowns and Rebuilds

How to Disassemble a Beretta 92FS Slide – Step-by-Step Guide
How to Reassemble a Beretta 92FS Slide – Step-by-Step
How to Disassemble a Beretta 92FS Frame – Step-by-Step Guide
How to Reassemble a Beretta 92FS Frame – Step-by-Step Guide
Beretta 92/96/M9 Troubleshooting Guide – Fix Common Issues Fast

Covers full slide and frame teardown, reassembly, and troubleshooting for the 92FS, M9A1, and Beretta 96. Everything needed to fix, clean, and rebuild with confidence.
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Original Content by The Rogue Banshee / My Rogue Solutions LLC.
Credit: Jason Schaller
Email: jschaller@trb.fyi

About the Author: Jason Schaller is a former FFL holder and founder of Eagle Eye Shooters Supply in Helena, MT, where he provided professional gunsmithing services and guided customers on all aspects of firearms ownership. Today, he teaches DIY gunsmithing at The Rogue Banshee and serves as a Chief Instructor at Freedom Crew University. With over a decade of hands-on professional experience with firearms and nearly 30 years in IT, Jason also holds top cybersecurity certifications including CISSP, CISA, and CRISC. When he’s not geeking out, he’s helping others build self-reliance, critical thinking, and firearms proficiency through real-world content.

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