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AR-10 buffer system
Yep it felt good to get it running on a normalized configuration. I have learned quite a bit about the AR operating system and it's balance shooting my JP's. I actually have an 18" medium contour JP-15 6.5 Grendel rifle with LMOS BCG and buffer that almost doesn't move during firing. Of course...- herodrh
- Post #45
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
So to update my previous posts, I have changed a few parts on the rifle and done some evaluation. First of all I did not invent a problem here and when I swapped the buffer spring to a JP carbine buffer spring 11.75" length with +5 % spring rate (centerless ground, polished spring - not SCS) I...- herodrh
- Post #43
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
That sounds totally reasonable and thats what I intend to do. In addition to being difficult to charge the rifle, running so much spring tension while firing normally is that you get one heck of a blast of gas in the face each shot. Its normal to have gas venting with any AR but why vent more...- herodrh
- Post #42
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
- herodrh
- Post #40
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
So, I headed out to the range and had a great time sighting the rifle in and doing some groups and so forth at 50yds. My suspicion about the excessive buffer spring tension was borne out and the rifle ran on position 8 and would still lock back on position 7 but its taking a huge amount of gas...- herodrh
- Post #38
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
Yes, and I have tuned the buffers and gas systems on my .223 wylde rifles and a 6.5 grendel. I'm thinking that the stock buffer is probably as light as I would like to go. I'm a little surprised that POF puts this light a buffer in a rifle made to be fired suppressed but then they do give you a...- herodrh
- Post #37
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
I totally get your point about the setting on the AGB being essentially the same as standard appropriate gas port size. That's why it bugs me, you should be able to run in the middle of the range and have adjustability either way otherwise its a waste. But I need to shoot this beast 1st. Its...- herodrh
- Post #34
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
Maybe I'm just new to the AR-10 platform - lol. It just doesn't seem copacetic to me to have all that force, and all that gas. I spose time will tell.- herodrh
- Post #33
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
The POF site (support section) shows the applications for P308 carbine buffers in 2 distinct groupings: pre 2012 and Post say mid 2012. The pre 2012 buffer shows 6 position mil spec carbine buffer (I'm guessing 7" depth) utilizing a spring that is between 10.25-10.5 inches with 29-30 coils and...- herodrh
- Post #30
- Forum: Semi-Automatic Rifles
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16” AR 10 in .308
Good advice and though I don't have a can, I plan to swap the tripple port brake for a flash hider when I have tuned the buffer and gas system a bit. I'm betting it will be softer shooting than my James River Armory M14 which is actually pretty soft shooting for a non compensated rifle (and...- herodrh
- Post #15
- Forum: Semi-Automatic Rifles
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16” AR 10 in .308
Recently purchased a 16.5" POF olde school DI P308. With the 5R 1-10 barrel I'm told they do well with match loads. I'm hoping to get 1.5 moa out of quality milsurp since I will probably shoot a lot of it. At some point I may handload some of my own as well. I have a great buy on some Speer L/E...- herodrh
- Post #14
- Forum: Semi-Automatic Rifles
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AR-10 buffer system
I just picked up my new POF edge gen4 Olde School DI P308 rifle from my ffl the other day and I have noticed some interesting things about the buffer/spring setup they use. I am looking towards tuning the rifle for minimal recoil impulse with factory ammo and milsurp non suppressed fire. So the...- herodrh
- Post #28
- Forum: Semi-Automatic Rifles