rcnut Posted December 13, 2016 Report Share Posted December 13, 2016 My son asked me what I wanted for Christmas, so I told him a LR 308 lower, I believe it is a DPMS pattern, who makes uppers that fit this in stock? and bolt carrier group ? and another question WHY do some BCG have serations for a bolt assist and others don't? what good is a bolt assist if the carrier has no serations. thank you Quote Link to comment Share on other sites More sharing options...
jtallen83 Posted December 13, 2016 Report Share Posted December 13, 2016 The FA pawl will still contact the shoulder of the bolt carrier. One of the favorite BCG's around here is d. wilson. Dave is a member here and does some top notch work! http://www.dwilsonmfg.com/store/p18/AR10_Bolt_carrier_Group.html He has 3 blem bcg's listed on the site right now, a great value. I bought one and can't find the flaw as have others here. I'll let others that have actually done it answer the upper compatibility question. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted December 13, 2016 Report Share Posted December 13, 2016 What manufacturer is the Lower Receiver ? They may say on their Web sight what it is compatible also . Quote Link to comment Share on other sites More sharing options...
SNKEBIT Posted December 13, 2016 Report Share Posted December 13, 2016 13 hours ago, jtallen83 said: The FA pawl will still contact the shoulder of the bolt carrier. One of the favorite BCG's around here is d. wilson. Dave is a member here and does some top notch work! http://www.dwilsonmfg.com/store/p18/AR10_Bolt_carrier_Group.html He has 3 blem bcg's listed on the site right now, a great value. I bought one and can't find the flaw as have others here. I'll let others that have actually done it answer the upper compatibility question. Just ordered one!! Thanks for the link! Quote Link to comment Share on other sites More sharing options...
rcnut Posted December 15, 2016 Author Report Share Posted December 15, 2016 and I just ordered one, my first build and so it begins, now have to wait visit the bank, then Jan 21st for the gun show , and see what I can find at a good deal. Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted December 15, 2016 Report Share Posted December 15, 2016 7 hours ago, rcnut said: and I just ordered one, my first build and so it begins, now have to wait visit the bank, then Jan 21st for the gun show , and see what I can find at a good deal. You need to give us more info or I can promise you'll just be wasting money. What is the lower brand? Quote Link to comment Share on other sites More sharing options...
rcnut Posted December 16, 2016 Author Report Share Posted December 16, 2016 Lower is a DPMS, going to put a LUTH-AR adj. stock, Criterion barrel 6.5 22in, Diamond head VRS T handguard and want an adj. gas block does anyone have any experience good or bad with ODIN adj. gas block???? Hogue pistol grip, and last if all works out Huber trigger that he is working on right now. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted December 16, 2016 Report Share Posted December 16, 2016 30 minutes ago, rcnut said: Lower is a DPMS, Check the serial number on the lower. Should have a "K" in it. Report back. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted December 16, 2016 Report Share Posted December 16, 2016 I have a DPMS LR lower Receiver with a Fulton Armory Upper Receiver ( pre 2009 rail height ) ( I believe at the time they were selling DPMS made Uppers , not sure if its that way now ) & a DPMS LR with a Tactical Machining Upper Receiver ( post 2009 rail height ) & both fit & work fine on the DPMS Lowers . The TM Upper came with Pins & they, at the time had to be used with their Upper , the factory DPMS Pins would not fit with the TM Upper . Note , they have made changes to their 308 Uppers & I don't know if this has been changed . One DPMS Lower is marked " K " & the other is a complete Lower Receiver & is not marked with a " K ". I can't say others will work as well as those two manufacturers , because I had an early CMMG Billet Upper that had issues with PMags , I had function issues with them & only them, all Steel Mags & Lancer L7 worked , till Magpul came out with the Gen. 3 LR Mag & they seemed to work OK . Quote Link to comment Share on other sites More sharing options...
98Z5V Posted December 16, 2016 Report Share Posted December 16, 2016 If that other DPMS was a complete lower receiver group, the serial won't have a "K" in it. They only do that on stripped lowers. Quote Link to comment Share on other sites More sharing options...
beantown Posted December 16, 2016 Report Share Posted December 16, 2016 Why not just buy a DPMS upper? Quote Link to comment Share on other sites More sharing options...
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