macguyver Posted February 9, 2012 Report Share Posted February 9, 2012 I did a search and this stock was mentioned a couple times, but never specifically answered. I want to put the UBR stock on my DPMS AP4, is the buffer tube it comes with compatible with the .308 system, or do i need another. Will the buffer tube that came eith the rifle suffice? anyone ever use this stock on a simliar rifle? thanks a bunch guys, pics coming soon, i know it dosent happen without them. Quote Link to comment Share on other sites More sharing options...
Robocop1051 Posted February 9, 2012 Report Share Posted February 9, 2012 The Magpul UBR stock is a complete package. The only thing you need to add is an appropriate length spring and buffer. .308 Carbine Buffer Spring.308 Carbine Buffer AssemblySorry, I know they are both out of stock. If you are just changing from one carbine stock to a UBR, you should have no issue using the same spring and buffer again. Quote Link to comment Share on other sites More sharing options...
macguyver Posted February 9, 2012 Author Report Share Posted February 9, 2012 Awesome, exactly what i was wondering, thanks for the info. Quote Link to comment Share on other sites More sharing options...
MikedaddyH Posted February 9, 2012 Report Share Posted February 9, 2012 Did you desided to to use the UBR because it won the drop test?That is one beast of a buttstock. Nice but heavy duty. Quote Link to comment Share on other sites More sharing options...
Robocop1051 Posted February 9, 2012 Report Share Posted February 9, 2012 I'd like it more if they made a lighter weight version of it. I'm good with my ACS stock till that day. Quote Link to comment Share on other sites More sharing options...
Jgun Posted February 9, 2012 Report Share Posted February 9, 2012 I saw a torture test on several different brands/types of collapsing stocks that was done by some members on another forum. I think that the test consisted of dropping each stock (mounted on an AR 15) on to a concrete floor, from a height of 6 feet, and seeing how many times they could do it before the locking mechanisim failed. I don't know if this duplicates anything that you might ever expect to happen to your stock, but not surprisingly, many failed on the first drop, some made it 5 or 6, but if I recall correctly, the only collapsing stock that did not fail was the UBR. It certainly is heavier than the CTR/MOE/etc. stocks, but it's apparently demonstratively stronger than the others as well. Only you can decide if that extra strength is worth the extra weight. Quote Link to comment Share on other sites More sharing options...
Timing Posted February 10, 2012 Report Share Posted February 10, 2012 Magpul recommends Slash's buffer for the UBR with a 308. I believe he is a member and sponsor here. Not cheap but it works as advertised. Quote Link to comment Share on other sites More sharing options...
Slash Posted February 13, 2012 Report Share Posted February 13, 2012 Magpul recommends Slash's buffer for the UBR with a 308. I believe he is a member and sponsor here. Not cheap but it works as advertised. Correct on all counts. Look no further if you want the BEST parts for your .308 AR.In stock at Brownell's:Buffer - www.brownells.com/.aspx/pid=44697/Product/AR10-308AR-CAR-10-BUFFERSpring - www.brownells.com/.aspx/pid=44698/sku=100007354/Product/MODIFIED-AR10-BUFFER-SPRINGAnd always available at www.heavybuffers.com Quote Link to comment Share on other sites More sharing options...
NoFail Posted February 22, 2012 Report Share Posted February 22, 2012 Correct on all counts. Look no further if you want the BEST parts for your .308 AR.In stock at Brownell's:Buffer - www.brownells.com/.aspx/pid=44697/Product/AR10-308AR-CAR-10-BUFFERSpring - www.brownells.com/.aspx/pid=44698/sku=100007354/Product/MODIFIED-AR10-BUFFER-SPRINGAnd always available at www.heavybuffers.comThis, so that's what I did, I want my ish to work. So I hope you're right because it IZZZZexpensive!! Quote Link to comment Share on other sites More sharing options...
RayGun19 Posted February 22, 2012 Report Share Posted February 22, 2012 I use the UBR and Heavy Buffer from Slash. Both are awesome. On my AR10, the two give a great balance to the rifle. Very neutral at the grip/magazine well region. Quote Link to comment Share on other sites More sharing options...
macguyver Posted February 22, 2012 Author Report Share Posted February 22, 2012 nice, my stock should be here this weekend, then i can finally start breaking in this rifle. Quote Link to comment Share on other sites More sharing options...
cz777 Posted May 6, 2012 Report Share Posted May 6, 2012 two tips on this stock ..just get the .70 extension recoil pad ,it just works great ..now stock aluminum end piece helps from damage to the end ...nice for meat tenderizing too !!! Quote Link to comment Share on other sites More sharing options...
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