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Porting the thimble might be the route in general for this rifle I'm thinking also, but I've never done that before. What did you use for reference when you accomplished that task? I laughed my *** off when I read "she's the kind of girl my mom warned me about"!!! Great kickoff to an already...

You're 100% correct puma! I'm a very analytical person, as some can already tell. Similar to a corporate setting, some plans look perfect on paper but in reality, the outcome is dialing it back a step with slight adjustments to get results as close to the paper as possible. Usually never...

Afternoon fellow tuners! Adjusted the regulator out to 2600 PSI per @Billm suggestion, with max fill still at 3600. These results really have my scratching my head... any thoughts on this would be appreciated. Picture 1307 shows the distance from point of shot to point of impact. 20 yards...

DonnyFL Tanto came in today - This weekend I'll be pumping up the psi to 2600, running another shot string and recording the data. Then fine tune accuracy with the Tanto after with another set of shot string data to see how the apolos fair! Might post some db data too to compare sound levels.

Yes, this is strange. I get most rifles are unique but typically there's a spectrum of similarity to a degree which i haven't seen so far from all the readings/research I've done. I did end up going with the DFL Tanto in .22/.25 as it was sitting at 99, and with coupon, snagged for 90 shipped...

Wow that is a variance! When I received my first rifle, the single shot tray for some reason was not included. Contacted Barra, and the customer service was great, the sent out the replacement pretty fast, but when I received the part, turns out it was a single shot tray for the 1100z instead...

Gave it a gander Puma and dang you've done more work that I thought you did initially ha! That thread will be useful down the road as I get closer and closer to finalizing it. Love the paint job too, remarkable how well that turned out! Looking at moderators currently and amazed that...

Very interesting, impressive results too! I feel the wind and my own shooting skills will play the biggest challenge in getting these to sync up with the target down range as well. My hammer spring adjustment was based on what I knew/experienced with the first rifle prior to RMA'ing it...

Didn't think of that... is it possible for you to get a picture of the result of that work to solve that issue? Might be useful down the road at some point!

I'm going to push these slugs a little further and try them at 2600 PSI like you recommend and post those results next time I get a chance - If my measurements are correct, I believe these Apolo's are .218's. Feels snug the last 1/4-inch to 1/8th inch when engaging the bolt forward prior to...

Hello All - I'll be tuning the Barra 250z like most working with their PCP rifle. Hardware - Clife 7-9" bipod Monstrum 4-16x50 FFP MRAD scope Chronograph: NateChrony V2 Additional parts / Modifications: None (hoping to change this soon) This is my 2nd PCP 250z Barra rifle, the first was...

I agree - more tuning to come - it's not near what i had the first rifle at - but this was a quick tune to get in the ball park so to speak with the limited sun I had left. Hopefully soon we'll be going out to stretch to that 100yd mark and get some dialed in stats with target history too. To...

Heya this will be my second Barra 250z in 22 rifle. First had to RMA due to ar grip hardware being completely separated from the rifle chassis from factory. The replacement came Friday. Saturday I installed the gear - bipod, 4-16x50 monstrum mrad scope and gave her a good cleaning. Today I...