Dirty_J Posted April 19 Share Posted April 19 (edited) Grabbed one of these to try in my Davinci DG-9. The recoil reduction with even hot factory pistol ammo was impressive. My findings were similar to everyone in the original post… crazy hard to charge the gun. Making unloaded starts or malfunction clearance difficult. Playing around with a solution that’s looking promising. https://www.instagram.com/reel/C5rV-pKrq8s/?igsh=MTBieXRoaWhqMGV6Mw== Edited April 19 by Dirty_J Link to comment
Dirty_J Posted April 19 Author Share Posted April 19 Initial testing of concept https://www.instagram.com/reel/C51cRAUvS8-/?igsh=MXZwazAyc2dhMjNraA== Link to comment
Dirty_J Posted April 19 Author Share Posted April 19 Maxim unloaded start at a recent match. https://youtube.com/shorts/DpbJmbyyWb0?si=zGpUU2izXfDvt4dg Link to comment
mrvip27 Posted April 22 Share Posted April 22 looking forward to your further testing Link to comment
Joedirt199 Posted April 27 Share Posted April 27 Grab a PRI Large handle gas buster and keep the stock seated on your shoulder while charging. Give it a fast tug. I added a delrin spacer on mine to reduce the stroke length on my PSA AR-V. I am actually looking to stiffen the recoil spring since it is throwing my brass pretty far with my suppressed loads. Hoping it keeps things closed longer for suppression. Large handled charging handles helps and keeping the gun braced for less give while charging helps a lot. Link to comment
Dirty_J Posted April 27 Author Share Posted April 27 41 minutes ago, Joedirt199 said: Grab a PRI Large handle gas buster and keep the stock seated on your shoulder while charging. Give it a fast tug. I added a delrin spacer on mine to reduce the stroke length on my PSA AR-V. I am actually looking to stiffen the recoil spring since it is throwing my brass pretty far with my suppressed loads. Hoping it keeps things closed longer for suppression. Large handled charging handles helps and keeping the gun braced for less give while charging helps a lot. For recreational shooting… that’s all well and good. My focus is competitive shooting; you don’t always have the luxury of a standing unloaded start and need to manipulate the charging handle without having it in your shoulder sometimes. Link to comment
bigdawgbeav Posted May 15 Share Posted May 15 On 4/27/2024 at 10:13 AM, Joedirt199 said: Grab a PRI Large handle gas buster and keep the stock seated on your shoulder while charging. Give it a fast tug. I added a delrin spacer on mine to reduce the stroke length on my PSA AR-V. I am actually looking to stiffen the recoil spring since it is throwing my brass pretty far with my suppressed loads. Hoping it keeps things closed longer for suppression. Large handled charging handles helps and keeping the gun braced for less give while charging helps a lot. Where did you put the spacer? Link to comment
Joedirt199 Posted May 18 Share Posted May 18 I put it between the plastic bumper and the buffer. .75" long and just under 1" diameter to fit in the buffer tube. Link to comment
Dirty_J Posted May 26 Author Share Posted May 26 The Maxim worked okay at the Alabama State USPSA Championship. I get the “very” occasional odd recoil impulse… almost like the lockup is a bit inconsistent… but no functional issues to report. Two unloaded starts at this match. No problem. Link to comment
Dirty_J Posted May 30 Author Share Posted May 30 21 hours ago, mrvip27 said: So whats the trick? The short answer: adjusting the pre-load. Been a busy few weeks… hoping to hit the range for a follow up video soon! Link to comment
mrvip27 Posted May 30 Share Posted May 30 (edited) 22 hours ago, Dirty_J said: The short answer: adjusting the pre-load. Been a busy few weeks… hoping to hit the range for a follow up video soon! still better performing than the 5020ss? even with preload adjustment? Edited May 30 by mrvip27 Link to comment
Dirty_J Posted May 30 Author Share Posted May 30 3 minutes ago, mrvip27 said: still better performing than the 5020ss? even with preload adjustment? Better is a stretch. Comparable is probably more accurate. Once you get it to a level where it’s relatively easy to charge the gun… you’ve traded off some of the recoil reduction. It’s “better” in its supplied form for recoil reduction… but the drawbacks outweigh the pros IMO. Link to comment
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