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Questions & Answers
Which hammer extension will fit the Thompson Center "Triumph" rifle? Expert Answer

Uncle Mikes does not list a model compatible with your firearm, please contact them directly for further assistance.

by Jonathan D., Gear Expert, January 2, 2020
will this Hammer extension fit a Pre 1982 Marlin 336 ? Expert Answer

1957-1982 should fit.

by Todd, Gear Expert, November 12, 2021
Customer Reviews
Helpful Positive Review
Easy to install extension. I find the round knurled barrel of the thumb contact point to be more comfortable and easier to manipulate than the other flat ones that are out there. Just make sure you order the right model to ensure proper fit. Pros: Si...
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2/2 found this helpful
Helpful Positive Review
1895G by Legacy Reviewer, January 16, 2011
When everything goes well there is no test in service. This order required a bit of tweeking and seller did a great job of fixing the problems. GOOD WORK, thanks ....Dave Pros: Good Service Cons: none
1/1 found this helpful
Helpful Positive Review
They don't tell you... by JB, Verified Owner, January 31, 2011
I purchased this extension for my Henry 17HMR as I had installed a scope on the receiver. This extension definately made it easier to cock the hammer as the scope is very close to it. I was shocked to read in the directions for the extension that t...
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2/2 found this helpful
Helpful Positive Review
works well during normal hunting conditions.item will loosen after extended use during sight-in. excellent addition to your scoped Marlin lever action.maintains ample clearence betwen the hammer and scope. Pros: meets expectations, easy to use Cons:...
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1/1 found this helpful
Helpful Negative Review
Hammer Extension by Legacy Reviewer, Verified Owner, September 20, 2010
You don't find out until you open a sealed container that it is NOT to be used on Winchester Model 94's with hammers that are fluted or knurled even though all ads say you can. ALL 94's for the past 100+ years are made this way!! Bushnell, the dist...
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1/1 found this helpful
Most Recent Reviews
bad part straight out of package by big bore shooter, May 3, 2017
This part was junk out of package would not tighten down, threads were bad. Would not recommend to anyone it is very cheaply made.DIdn't even get to shoot the gun with it on very disappointed in uncle mikes.
1/1 found this helpful
Read All 13 Reviews
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Product Info for Uncle Mike's Hammer Extension

Uncle Mike's Hammer Extensions for a Better Grip on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for Uncle Mike's products.image

Slip over hard-to-reach or hard-to-cock hammers for extra leverage. A must for scoped guns with external hammers. Blued steel, knurled surface for easy gripping. Fits most hammer-type guns, either right or left side. (Allen wrench included.)

No low wall or high wall designs.

Uncle Mike's Hammer Extensions for a Better Grip is available with the following options:

  • Uncle Mikes 2450-0 Uncle Mike's Gunsmith Accessories - 94 Hammer Extension
  • Uncle Mikes 2451-0 Uncle Mike's Gunsmith Accessories - 94/22 Hammer Extension
  • Uncle Mikes 2452-0 Uncle Mike's Gunsmith Accessories - Marlin 336 Hammer Extension
  • Uncle Mikes 2456-0 Uncle Mike's Gunsmith Accessories - Blackhawk, Topper, Handi-Rifle Hammer Extension
  • Uncle Mikes 2457-0 Uncle Mike's Gunsmith Accessories - BLR 81 Hammer Extension
  • Uncle Mikes 2458-0 Uncle Mike's Gunsmith Accessories - 83 & Later Marlin Hammer Extension
WARNING: California`s Proposition 65

Specifications for Uncle Mike's Hammer Extension:

Manufacturer: Uncle Mike's
Color: Black
Fabric/Material: Blued Steel
Condition: New

Features of Uncle Mike's Hammer Extension

  • Blued steel, knurled surface for easy gripping.
  • Fits most hammer-type guns, either right or left side (Allen wrench included).
  • No low wall or high wall designs.

Package Contents:

  • Uncle Mike's Hammer Extension

Uncle Mike's Hammer Extension Orderable Models

List of Orderable Models

  • Uncle Mike's Hammer Extension, Blued, Winchester 94/22, Clam, 24510 , MPN: 24510 , UPC: 043699245109 , Code: UM-HMS-CP44-24510
  • Uncle Mike's Hammer Extension, Blued, Winchester 94, Clam, 24500 , MPN: 24500 , UPC: 043699245000 , Code: UM-HMS-CP44-24500
  • Uncle Mike's Hammer Extension, Blued, Marlin 336, Clam, 24520 , MPN: 24520 , UPC: 043699245208 , Code: UM-HMS-CP44-24520
  • Uncle Mike's Hammer Extension, Blued, Blackhawk, Topper, Handi-Rifle, Clam, 24560 , MPN: 24560 , UPC: 043699245604 , Code: UM-HMS-CP44-24560
  • Uncle Mike's Hammer Extension, Blued, 83 & Later Marlin, Clam, 24580 , MPN: 24580 , UPC: 043699245802 , Code: UM-HMS-CP44-24580

Uncle Mike's Hammer Extension Unavailable & Discontinued Models

List of Unorderable Models

  • Uncle Mike's Hammer Extension, BLR 81 2457-0 , MPN: 24570 , UPC: 043699245703 , Code: UM-HMS-CP44-2457-0
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