lynxpilot Posted June 3, 2010 Report Share Posted June 3, 2010 This must certainly show my lack of research, but when going from DPMS LR308 AP4 with carbine barrel and gas system to a 24" barrel with rifle length gas, do I need to change out the buffer too? Quote Link to comment Share on other sites More sharing options...
imschur Posted June 3, 2010 Report Share Posted June 3, 2010 are you swapping the buttstock? Thats what matters. 24" barrel on a rifle with a collapsible stock might be quite unbalanced Quote Link to comment Share on other sites More sharing options...
survivalshop Posted June 4, 2010 Report Share Posted June 4, 2010 As long as you are keeping the carbine receiver extension ,buffer spring & buffer , it should work. Some say you need special buffers & springs , but the only way you will know that is at the range after fitment .I went the other way, I have a 16" bbl. ,with rifle gas system & CTR stock & I have the carbine buffer /spring ,of course , but will not be firing it for the first time till next week . Quote Link to comment Share on other sites More sharing options...
lynxpilot Posted June 4, 2010 Author Report Share Posted June 4, 2010 are you swapping the buttstock? Thats what matters. 24" barrel on a rifle with a collapsible stock might be quite unbalancedNot changing the buttstock. Almost all the shooting I do with this one will either be from a rest or prone with a bipod. Quote Link to comment Share on other sites More sharing options...
Jgun Posted January 5, 2011 Report Share Posted January 5, 2011 Survivalshop, I was wondering if youve ever had any cycling issues with your 16"/ rifle length gas system setup? Ive been warned by a couple of people that I may have cycling issues with my 18"/rifle gas system setup, especially if shooting at higher elevation (the mountains). They tried to talk me into going with the shorter carbine gas block loaction. I'm figuring if you've had no trouble with a 16" then I should be OK with the 18". Quote Link to comment Share on other sites More sharing options...
survivalshop Posted January 5, 2011 Report Share Posted January 5, 2011 Well , I had none until I picked up some Fed. XM80C , & it is short stroking in my 16" , have not tried this ammo in the 20" yet , but will on Friday.The 16" has cycled every thing I have put to it till this ammo . One thing is ,this ammo is a little dirty , which may be all that's wrong . This is a match barrel & might not like the dirty ammo because of tolerances. I am going to tumble some , to clean it up ,to see if it makes a difference. Quote Link to comment Share on other sites More sharing options...
Jgun Posted January 5, 2011 Report Share Posted January 5, 2011 Well, based on your response, I'm causiously optimistic. I guess I'll just have to stay away from that Federal Ammo. Mine is a match barrel also, with 5R rifling. Thanks for answering. Quote Link to comment Share on other sites More sharing options...
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