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Joined: Aug 2010
Posts: 48,137 Likes: 12
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,137 Likes: 12 |
Hey guys, I need some help in setting up my new lower. I just ordered a gen 1 noveske lower and am wanting to put a PRS stock on it (maybe an ACS since it's cheaper) The upper is a 20" noveske heavy contour with rifle length gas system. My questions are, what buffer and spring do I need for a good set-up shooting match grade ammo? I've heard H buffer, but don't know where to start. Any help would be greatly appreciated... . I'm likely to go to a shop that specializes in building AR's and will probably ask them as well, but respect the knowledge and opinions of the guys here. If you would like, let me know how you would build the lower, including what parts kits to buy etc. I have a geissele SSA-E trigger ordered for it and on the way, so that part is taken care of... Thanks in advance!!!!!
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Aug 2015
Posts: 13,247 Likes: 2
Campfire Outfitter
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Campfire Outfitter
Joined: Aug 2015
Posts: 13,247 Likes: 2 |
I used an A2 tube and rifle buffer for my PRS stocked precision rifle. You need a rifle tube to mount a PRS. Rifle buffer kit.
Let's Go Brandon! FJB
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Joined: Oct 2014
Posts: 4,755
Campfire Tracker
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Campfire Tracker
Joined: Oct 2014
Posts: 4,755 |
You need a buffer and spring that matches the stock, so you gotta decide that first. Carbine parts for the ACS-L stock, rifle parts for the PRS.
Whether you need heavier than standard buffers depends on how the barrel is gassed (not just gas system length, but port size) and is something you figure out when the rifle is assembled; look at the ejection pattern. Some guys want to just use a heavy buffer by default always, but IMO the better way to do it is get the gas system adjusted right for standard buffer/spring weights.
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Joined: Aug 2010
Posts: 48,137 Likes: 12
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,137 Likes: 12 |
Thanks guys. That makes a lot of sense. When the rifle ejects the brass, it should throw it out at 3:00???? My left hand stag with the 24" tube throws it out in a nice little pile at about the 7-8:00 position. I guess on a right handed AR that would translate to around 4-5:00.. Is that acceptable? Sorry for the newbie questions... I'll be Watching some videos on buffer weights, dwell time, gas port size and springs. I'll also pull out my small hole gauges and measure the gas port size... Should be smaller, I guess, for a rifle length gas system with 20" barrel...
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Nov 2006
Posts: 10,177
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2006
Posts: 10,177 |
4:00 or in a lefty, 8:00 is what you're aiming for.
3:00 or 9:00 is over gassed
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Joined: Aug 2003
Posts: 19,824
Campfire Ranger
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Campfire Ranger
Joined: Aug 2003
Posts: 19,824 |
4:00 or in a lefty, 8:00 is what you're aiming for.
3:00 or 9:00 is over gassed Therefore, requiring a heavier buffer and/or spring. Don't be shy about posting a WTB ad in the Classifieds or here for heavier buffers and or springs, lots of folks have been in your position and have spares lying around that they have tried but don't use. Sometimes, you can get the ultimate deal...free. Ed
"Not in an open forum, where truth has less value than opinions, where all opinions are equally welcome regardless of their origins, rationale, inanity, or truth, where opinions are neither of equal value nor decisive." Ken Howell
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Joined: Aug 2010
Posts: 48,137 Likes: 12
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,137 Likes: 12 |
Thanks TWR. Sounds like my stag LH upper is doing well then: That one is a sweet shooter. My plan is to use the Noveske upper on my bushmaster lower with the PRS and if it does well, pull the buffer and spring out and duplicate that for my Noveske lower.... Seems like the easiest way to know for sure...
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Aug 2010
Posts: 48,137 Likes: 12
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,137 Likes: 12 |
4:00 or in a lefty, 8:00 is what you're aiming for.
3:00 or 9:00 is over gassed Therefore, requiring a heavier buffer and/or spring. Don't be shy about posting a WTB ad in the Classifieds or here for heavier buffers and or springs, lots of folks have been in your position and have spares lying around that they have tried but don't use. Sometimes, you can get the ultimate deal...free. Ed Awesome. Thanks for the help!!!
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Aug 2010
Posts: 48,137 Likes: 12
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,137 Likes: 12 |
Well, I ordered a Gen 3 PRS (even though I don't know if I'll like it as much as my Gen 2), also ordered the A2 buffer and spring kit from Joe Bob, thanks to Nvhunter's link. I'll post a new thread of my lower build with the "new to me" 20" heavy contour Noveske upper. All the parts are ordered (I hope), just waiting on the mail man to bring them to me. I'm hoping the buffer weight in the Joe Bob's kit works out perfectly, but I'll find that out after I shoot it. After all this, I feel very fortunate that my Stag 6HL was already put together for me and works flawlessly. Shoots damn incredible too. This Noveske should be pretty much the same way if everything works out. I know the upper was built right, as I bought it from a Noveske employee that lives in Grants Pass. I think the guy can build a rifle in his sleep pretty easily. I've been asking him questions and he pretty much confirms what you guys say, so that is good. I look forward to shooting this rifle in the AR challenge, hopefully my head isn't still spinning when I finally pull the trigger on this one!!!!!!!
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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