AGI1614 H&R Topper Single Shot Top Break Shotguns Armorer's Course – DVD excerpts

AGI1614 H&R Topper Single Shot Top Break Shotguns Armorer's Course – DVD excerpts

Design & Function –
Take-down Lever & Ejector Operation
Hinge Pin & Barrel Lug
Fire Control, Hammer & Firing Pin
Front Bead Sight
Stock & Stock Bolt
Common Problems
Common Modifications
Variations: Problems

Disassembly –
Forearm & Barrel Removal
Barrel & Extractor Disassembly
Recoil Pad & Stock Removal
Lower Receiver Serrated Pins
Trigger Group Removal & Disassembly
Hammer Removal
Locking Block & Transfer Bar Removal
Take-down Lever & Firing Pin Removal
Hinge Pin Details

Reassembly –
Firing Pin & Take-down Lever Installation
Transfer Bar & Locking Block Installation
Hammer Installation
Trigger Group Reassembly & Installation
Stock & Recoil Pad Installation
Extractor & Barrel Reassembly and Installation
Forearm Reattachment
Variations of the Topper Shotgun
Topper Jr. Model 490
H&R Topper Model 48
Common Firing Pin Problems

The American Gunsmithing Institute (AGI) exists to provide firearms enthusiasts with the knowledge needed to keep their guns in safe and top-notch condition through our extensive line of comprehensive “How-To” videos courses on Disassembly/ Reassembly, Gunsmithing and Repair for many types of rifles, shotguns, and handguns.

For more information on how to purchase AGI DVDs go to or give us a call at: 1-800-797-0867


  1. cazador R.Z on December 3, 2021 at 10:19 pm

    Hello would you be nice to get me out of a doubt about the difference between the topper model and the pardner model I would appreciate it very much if you could clarify my doubt

  2. TyrannosaurusDVM on December 3, 2021 at 10:42 pm

    Thank, this is the best explanation y have ever found about this mechanism

  3. Altergeist Authority on December 3, 2021 at 10:49 pm

    I pulled back the hammer on my h&r topper, and it slipped, or something broke, now the hammer is completely broken, what should I do??? I was just pulling the hammer back

  4. Hector De La Torre on December 3, 2021 at 10:52 pm

    Now I see, what is missing on the gun. thank you.

  5. hounddog.and.I on December 3, 2021 at 10:56 pm

    how does the ejector work

  6. steinderbush on December 3, 2021 at 10:59 pm

    That,s wel constructed!!

  7. ~B~ on December 3, 2021 at 11:16 pm

    Thanks for sharing this video.