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TANDEMKROSS Ruger 10/22 Manticore X Lower with PRO Bundle
$699.99 $664.99 Save $35.00
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Most Helpful Positive Review Interesting chassis alternative!
Overall I really like the item, but I do have a big warning for anyone buying. WARNING: Make sure the hammer is cocked before you install OR uninstall. I listened to the directions when installing, and accidentally uninstalled to make a trigger adjustment and forgot to charge the weapon before pulling the pins out. The safety detent shot out and the whole lower got all messed up. Now I have to completely disassemble to reinstall the detent and get back to where I was when I first opened it. When installed and without issues, the lower is great. Good trigger pull and great controls. I just cann...
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Manticore X Pro Bundle

by Greybeard, from MO, United States Written on January 28, 2026
You need a barrel, receiver, bolt, and charging handle. I used an old factory 10/22 receiver I've had for decades, already had a Volquartsen bolt in it. Everything else is supplied in the kit. In my case, I also purchased a Tandemcross barrel... Everything assembled easily. The forend, if you can call it that, is a bit tricky to get right. I ended up needing some longer hex bits than what were supplied in the kit. The resulting rifle is incredibly lightweight, and looks great. There's a bit of shake in the folding stock. I have a Matador Arms Sidewinder folding stock adapter on another rifle, and I much prefer their design to this one. This one is fine... it's stable, functional, and looks great, but a bit loose. Trigger is clean and crisp... maybe 3 lbs. It's not real light, but breaks nice. I have not yet done any adjustment to it. As a fast action range toy or rabbit and squirrel rifle, I doubt I'll ever need to touch the factory trigger. The kit provides 2 receiver pins with spring detents and a steel bolt buffer, with a large head on one side and spring detents on the other. All seem to work very well, and fit my ancient factory receiver perfectly.

I mounted a low profile adapter from BadAce and a Vortex Venom red dot. Makes a great snap shot sight for this sort of lightweight rig. The angled stock option gives perfect eye alignment for the low profile red dot, about the same height as iron sights would likely be. Not much of a cheek weld on that thin alu...
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Pros:
  • Great fit, easy assembly
Cons:
  • A bit of shake in the folding stock adapter
Best Used for:
  • Go fast range toy, squirrel and rabbit gun
Would recommend: Yes
Was it helpful to you? Yes | No

works great!

by James Kleps, Verified Owner from OH, United States Written on December 31, 2024
Very easy to assemble. Works great. Another great Tandemkross product.
Would recommend: Yes
Was it helpful to you? Yes | No

Steel challenge

by Greenup06, Verified Owner from KY, United States Written on November 30, 2024
Easy to install and looks really cool. Trigger is very smooth out of the box. I have not adjusted it and my times have already decreased.
Pros:
  • Easy to install.
Cons:
  • price
Would recommend: Yes
Was it helpful to you? Yes | No
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