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SliX Slot II Magazine Cap Screw Wrench

SliX Slot II Magazine Cap Screw Wrench

 4.8 Stars based on 29 Review(s)
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A simple tool to remove the magazine cap screw on 1866 and 1873 Uberti Rifles

  • Fits snuggly on the 1866 and 1873 magazine cap screw head
  • Works great with the Improved Brass Cap Screw  (Sold Separately)
  • Protects screw head slot from damage when removing
  • Additionally removes firing pin bushings on most Browning and Stoeger double barrel shotguns with 3 pin spanner (Included)
  • Includes a hex head recess to accept all standard 1/4" screwdriver tips.  (Tips not included)
  • Simple to use
  • Includes One piece wrench

Slixprings products made in the United States logo




Slix Slot II wrench to remove magazine cap screw on 1866 and 1873 Uberti Rifles
29 Product Reviews - Average rating 4.8 / 5 (Show All)
Great quality.
Mark Weger - 11/03/2025
Great quality wrench. Works perfectly.
Great tool, but I still ruined the mag cap screw
Allen - 10/16/2025
I had a stuck steel magazine tube cap screw in my Uberti 1866. This tool allowed me to remove the stuck cap, but I still ruined the slot in the cap. Luckily, I had also ordered the Slixsprings brass replacement mag tube cap screw which looks great
Perfect for removing that stubborn magazine end cap
20 gauge - 07/27/2025
Fits the slot on the cap perfectly, either along the axis or perpendicular to it. A necessary tool for maintaining this rifle without munging up the cap slot. Mine had been on for over a decade - perhaps since built - and it would have been impossible to get it off without a special tool like this.
Magazine tool
Wiley Jack Hammer - 06/08/2025
These magazine tools always work great and they keep you from buggering up the end cap.
Important to have one …
Magazine removal tool
Frank Lembo - 05/28/2025
Works great did everything I expected to do thank you very much for your prompt delivery
Not so good
Don Logan - 08/11/2024
Wrench blades for Magazine cap were too shallow and one broke off after a couple of uses. The Firing pin wrench was supposed to fit "most" stoeger SxS models but does not fit my 20 gauge coach gun. The magazine wrench has two sections so its still usable but not ideal....not very happy with this tool. Buyer beware

Reply from Slixprings:

As with any tool if it’s used beyond what it’s designed for or used improperly it can break. As all of our products carry a warranty we mailed this customer a replacement wrench. The following link demonstrates how to loosen those stuck end caps before applying torque on them. How to loosen a stuck end cap.

tool is especially great for getting the mag cap on/off
ChickMa - 07/04/2024
We have multiples of this tool - one for each cleaning kit (home, travel), one for the gun cart (that gets used by others too), and at least one extra when the tool is misplaced. It's the best way to get the mag cap off/on.
Mag Cap Wrench
Rick M Barley - 04/22/2024
Very easy to use. Better than using a screwdriver. Great addition to my range box
xxxxx
great tool - 02/11/2024
OL' #4 turned me on to your product line Have used your products for years.
Covers all the bases!
Smart Asterisk - 02/04/2024
I have a mix of endcaps on my rifles. With this tool there is not a one that I cannot open. My one suggestion, which is not very reasonable, is to have a storage space to store the bit. This would keep the two important pieces together in my 'possibles' bag.
Firing pins are now secured
Black_Powder - 01/30/2024
Saw at a SASS match, been hoping for years to find something to tighten my Stoeger firing pins, it worked great.
Works As Advertised
Whiskey Tango - 01/20/2024
Purchased this along with the brass magazine cap. Works as advertised. Well made quality product.
GiftCertificate
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Slix Cap Magazine Screw
Slix Cap Magazine Screw - $20.00

An improved magazine cap screw made of solid brass for the 1866 and 1873 Uberti rifle and carbine.

Uberti Magazine Sleeve Kit
Uberti Magazine Sleeve Kit - $84.00

An improved magazine sleeve kit for the 1866 and 1873 Uberti rifle and carbine

Price: $25.00
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