pjb45 Posted January 13, 2019 Share Posted January 13, 2019 I have a JP .22 upper I put on a JP .223 lower. I have not changed out the buffer. I had 4 failures to seat the round out of about 120 rounds. It was suggested that my buffer was too stiff and would not always allow the bolt to come back far enough to correctly capture the round. Any thoughts? Yes, I emailed JP last week, no response yet. Link to comment Share on other sites More sharing options...
TheStagePlan Posted February 2, 2019 Share Posted February 2, 2019 (edited) There is no buffer needed In the JP .22 I did polish the feed ramp in mine. I have roughly 30k Rounds through mine. Edited February 2, 2019 by TheStagePlan Link to comment Share on other sites More sharing options...
pjb45 Posted February 3, 2019 Author Share Posted February 3, 2019 thanks Link to comment Share on other sites More sharing options...
inertia Posted April 3, 2019 Share Posted April 3, 2019 I share a JP lower with a standard SCS for my JP22 and a normal 3 gun upper and never had failures if I keep it clean and use quality ammo. The buffer just sort of rests against that back end of the bolt carrier that doesnt really move. Link to comment Share on other sites More sharing options...
Kettlebell Posted April 7, 2019 Share Posted April 7, 2019 Wheelsonly, I have a JPE 22lr upper on order waiting to ship. Not to derail the thread but...since they are all JP 22lr upper questions. What forend are you using? What ammo does it prefer? Have you had any issues with your trigger setting off the RF ammo? Thanks! Link to comment Share on other sites More sharing options...
TheStagePlan Posted April 9, 2019 Share Posted April 9, 2019 On 4/7/2019 at 12:58 PM, Kettlebell said: Wheelsonly, I have a JPE 22lr upper on order waiting to ship. Not to derail the thread but...since they are all JP 22lr upper questions. What forend are you using? What ammo does it prefer? Have you had any issues with your trigger setting off the RF ammo? Thanks! My handguard is from lancer systems at first I shot eley force now it eats anything Without Issues. with a hiperfire I have had zero issues Link to comment Share on other sites More sharing options...
Kettlebell Posted April 9, 2019 Share Posted April 9, 2019 8 hours ago, Wheelsonly said: My handguard is from lancer systems at first I shot eley force now it eats anything Without Issues. with a hiperfire I have had zero issues Thank you!!! Link to comment Share on other sites More sharing options...
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