handguard question? pls. help!

[carlos velez]

i have an AR10A4. i would like to change the barrel assembly to a DPMS 24 inch. bull barrel barrel dia. = .936". 1) can i use the existing gas tube?
2) gas block, is there a difference between the .223 and 308? 3) how much do they cost the round armalite just plain black handguard to mate with this barrel?
any information you can provide me is deeply appreciated. tx for reading and pls. respond.........

 

[P0WERWAGON]

the 24 inch barrel would use full length handguards. what length are your?

not sure about the 223 gas block. i am looking into a AR10 shorty right now. just working it out.