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1911 2011 Cyelee double-stack Fusion Firearms Optic XP Pro

The Cyelee Chameleon Has Been Mounted Onto the XP Pro!

To secure the plate adapter to the slide, use the short screws that came with the gun. I’ve used blue thread locker here, but some folks use red. Note that, to remove the screws, the red will require heat to be applied to the screws – the heat will dissolve the thread locker.
These screws were pefect. Anything longer than this will not screw onto the adapter plate. Max torque is 15 in-lb. Don’t red thread locker for these screws…use only blue!

I’ll let you all know when the optic has been zero’d and how it performs. This optic was highly recommended by competition shooters. I’m certain it will carry well, too.

Note that the optic was LONG in length…it’s the longest of all the Cyelee optics but also has the biggest view port. I thought it wouldn’t fit well, but it fit as if it were made for the gun.

The dot is 8 MOA, which some folks think is too big. It’s designed to lessen brightness of the dot, to lessen the effects of astigmatism — that is why the dot is 8 MOA. I’ve heard that it shoots fine at distance (and I’ve also heard that some folks have issues shooting this dot at distance due to the large size of the dot).

The battery is housed on top of the optic’s deck, between the glass and the screws.

The irons offer co-witness, as well. IMO, though, my RFX45 would offer excellent co-witness with this gun’s adapter plate, as the optic sits low already…it’s a pity this will not fit onto the adapter plate.

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1911 2011 Fusion Firearms Prodigy DS Springfield Armory XP Pro

A Few Things About the XP Pro…

I was able to detail strip the gun. The only things I didn’t remove were the frame from the grip (couldn’t determine how to get them apart).

I was also not able to remove the firing pin stop from the slide, so I couldn’t remove the extractor or firing pin.

I detail stripped the gun because I wanted to see the internals and verify the parts were bar stock.

I found no MIM in the gun…that was no surprise but some folks think Fusion Firearms is lying when they say the gun has no MIM. Nah, they’re not lying. A video of the internals is below.

I also attempted to mount the Viridian RFX45 to the XP Pro. I was unable to. That optic is not compatible with the adapter plates that Fusion Firearms provides. The RFX45 also uses the Acro footprint, which means that I’d have to stack the Viridian Acro-to-RMR adapter onto the XP Pro adapter…I’m not wanting to stack adapters (and both of them are thick adapters).

This means that I’ve to find a compatible optic. I was initially contemplating buying the 507C, 507 Comp, or 508T, but was thinking I could just settle for the 407C. I then watched TheHumbleMarksman’s XP Pro video and saw that he’d mounted a Cyelee Wolf X Pro to his XP Pro. I think I’m going to buy either that optic or the Wolf EDG. A sub of my YT channel also recommended the Cyelee Chameleon, which has a WIDE viewport — I like that a lot and it’s cheaper than the above-mentioned optics. I’m still not sure on which, but I’m actually leaning toward the Wolf EDG, but I’m just not looking forward to spending close to $300 for another optic. UPDATE (4/15/2025): I went ahead and bought the Cyelee Chameleon. A viewer of my channel left a comment sharing some optics that fit on his XP Pro. He recommended quite a few (the Cyelee Wolf EDG (for duty) & Chameleon (for the range); the Swampfox Justice II (for competition). I ended up pinning his comment so that it could better help other viewers. The Chameleon should arrive in 2 days. I’ll mount it Thursday night and let the thread locker set for a visit to the range this weekend (maybe).

I’ll visit the range tomorrow after work so I can get some rounds through either the Prodigy DS or the XP Pro, although I should probably focus more on shooting the Prodigy since I eventually plan to EDC it. I do have the Cyelee CAT mounted onto the Prodigy, as well, so shooting it should be a bit less of a chore – we’ll see.

I also have ordered more ammo…I blew through 1000 rounds of Magtech pretty quickly. I bought 1000 more from Bereli again, although they raised their prices by $25-30 (the gun community is getting spooked again by politics and folks are predicting shortages soon). I bought more Magtech, although I bought 124-gr this go-around.