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Reviews by KSW

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Good, but not great

Written on Nov 10, 2025

Great mount for the money. Decided this weekend to mount a small red dot on top of my DMR. My Holosun riser mount fits like a glove on every picatinny rail I have. However when I tried to mounting that same riser on top using the upper ring with picatinny slots the riser wouldn't fit. One of the rings picatinny slots was off by about 1/16'' and the other was off by roughly 1/32''.

Wasn't the end of the world I just filed one of the sections opening it up a bit, but it clearly was out of spec.

For everything you get for the price, it's still a great offering I just hope everything stays true after moderate to heavy use.

WORST Kit / Part I've ever bought

Written on Dec 28, 2024

The parts to the eye look like they are built top notch. However, when I started my new build I quickly realized this set was 1 in a 1,000,000 awful. The safety selector was almost 1/8 to wide so there is quite a bit of wobble inside the lower. What's sad was that wasn't even the worst part. The mag release was milled backwards. The Geissele (G) was to be installed within the upper and the notched part that locks the mag in place is on the outside. This parts kit is 100% unusable. Unfortunately for me this set has been sitting for 3 months because my Blackout Defense upper was on backorder. When I get into the bag and notice that it's bad it's not eligible for return. I definitely be checking all my parts now the second I get them. I didn't expect something with the Geissele name on it to be so bad. Ive been ordering parts from OP for a couple years now, and this kit was by far and away my WORST experience to date.

I really wish I could share picture of this set so everyone could get a laugh on how bad this really was. I almost can't help to think this was a knock off set for china or something.
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