Background: I've wanted a p10F for some time, but what's stopped me from committing is that I've been spoiled by the trigger on my Shadow 2. I've never encountered a polymer striker fire trigger that I particularly loved. I once had a G34 that, once heavily modded, was pretty acceptable and mostly stayed out of my way, but I ended up letting the glock go very quickly, and haven't ventured back into plastic since.
Enter the p10 series: I love my CZ's. I carry a p-01, and compete with a shadow 2, and besides the ergonomics, what I loved about the CZ's is how much I could tinker with them. Obviously not as far as the glock and 1911's I'd built, but there was enough aftermarket support that I thought I might be able to get the trigger where I wanted it.
When looking at p10 trigger upgrades, I found 3 very interesting options for lightenting and smoothing it out:
- HBI: they accomplish a lighter pull with lighter springs and a new shoe
- Overwatch precision: they accomplish a lighter pull with a new striker with an NP3 coating and new geometry
- Apex Tactical: they accomplish a lighter pull with a new disconnector and backplate (as well as a difficult to find lighter disco spring).
What I noticed was that all three options were not mutually exclusive, and I wondered what the result would be if combined into the same gun.
DISCLAIMER: every company advises against combining these aftermarket parts and do not guarantee their proper function. I am not advising anyone to try this
So, I ordered all the requisite parts and began putting them in incrementally, taking an average of 10 trigger pull weights. The results were as follows:
Stock trigger: 5lb 8oz
HBI Red Spring with OP striker: 4lb 4oz
OP striker, HBI red spring, OP trigger, Apex disco & backplate: 2lb 12oz
I also heavily polished the trigger bar and striker block. I would say that 80% of the grit in the initial trigger pull was due to the rough coating on the trigger bar scraping against the striker block. Once I polished to the point of removing the black coating (careful not to effect the geometry), the pull smoothed dramatically.
I would describe the result as a very light pull with a soft wall and very short travel and reset. It stays out of my way when firing, which is all I wanted from a trigger. It's not as light as the shadow, but for a polymer SF trigger, I'm very pleased. So far, no light strikes on a mix of factory ammo.
I'll be taking intermittent measurements as I get towards 1000 rounds to see how the gun settles in. I am also on the hunt for alternative trigger return springs. I have seen mention of custom options on some forum, but the search continues.
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