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Page AR-15 » AR-15 / M-16 Retro Forum
AR Sponsor: bravocompany
Posted: 7/20/2014 8:48:17 AM EDT



First off Hello Retro-Land








I cant remember if I have posted here before, but I have in the General and hometown forums. I thought I would share my newest project, a easy 605 .22 upper that I cooked up from my growing pile of retro parts. I had bought a CMMG 22 bolt at a show afew years ago and never really used it because the spring broke. So one night I get the bright idea after looking and reading about 605's that a .22 cal 605 is perfect because there is no gas system. Here is what it took and yes, it would have probably been cheaper to just buy a built 22 upper.......but that's not retro. I finished and test fired this the other day and it ate 30 rounds of crap Remington led tip .22 with out a problem. I just ordered a A1 parts kit from royal tiger, and a Brick 177 mod on gunbroker....there goes the bank account








tools needed for this "project"








1 armorers wrench to tighten the barrel nut








1 set of vice blocks








1 small punch for the gas tube roll pin








1 flat head screw driver for the rear sight








parts list(I had some of this already)








Taccom 16in M4.22 cal barrel(comes with the collar) $168?








A1 upper(scored on the EE at some point)








CMMG bolt (bought at fun show years ago)








armalight clamp on FSB( bought it somewhere)








3 prong flash hider








1 carbine length gas tube, triangle handguards and other stuff








and here she is (on right) I already had the double star lower(I wanna get a NDS) and the pistol grip and stock are from gun broker. please disregard the far left two "special ed" rifles

















here is a shot from my first retro build where some of the spare parts came from


























 
Link Posted: 7/20/2014 1:57:45 PM EDT
[#1]
here is a mock up I did with the CMMG 16" M4 barrel.  Below it are a 18" CMMG barrel,  cmmg M4 16" barrel, TACCOM 17" barrel,

The CMMG 16" barrel is PERFECT, You can have it turned down to .625 at the FSB and it would be perfect from the outside.....but the remaining profile bugs me, and I may do the 18" barrel as a 605 so I have the "accurate" profile under the handguards...

The taccom would also work, but needs profiling and cut/thread shorter....but I may throw that on a M4A1 Block II clone. DECISIONS, decisions.

Page AR-15 » AR-15 / M-16 Retro Forum
AR Sponsor: bravocompany
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