"Been there, done that" 603 Retro porn

[CODFan]

Still looking for the correct upper to go with this barrel .....




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[AFJon]

Neat build. Thanks for sharing

[HOOKED ON HISTORY]

very sweet! I want an nds xm lower so bad...

If you get an aim surplus nickel boron bcg, like i did, it looks just like xm16e1 chrome bcg.

On the way.
Based on your review.

[HOOKED ON HISTORY]

Well my "I spent my life in the rear with the gear" XM16E1 now complete with the iamarangemaster approved AIM bolt. Thanks for inspiring me to complete the build.
I think it looks much better with the "chrome" bolt. What to you think?
If you have ever thought about a retro build I highly recommend it. Difficulty level on parts aquisition is still mid level and assembly is well into the low range. Very rewarding project.

[imarangemaster]

Yep, poor man's XM16E1 chrome bolt!

[HOOKED ON HISTORY]

Yep, poor man's XM16E1 chrome bolt!

If I do not kick this habbit I will surley be a poor man.
And Thanks for letting me share the thread!

[imarangemaster]

Well, I went and battle sighted the "BTDT 603" on the 50 yard indoor range today! OMG, I love it! If I closed my eyes, it was 1974 with DI Prater coaching me through battle sighting my M16A1! Sure I love a shorty, but there is nothing more pure retro than a 603 or 604 build.

The JT worked over 1/7 barrel from Boywonder777 is AWESOME! At 25 yards, I had cloverleafs from both 55 grain Federal/Lake City M193 and CBC MK262 MOD1 OTMs with 77 grain Sierra Match Kings. I used an M16A1 sight in target, and had POI 1" below POA at 25 yards. DEAD NUTS ON! I love the AIM Surplus Nickel Boron BCG. With the Type D stock, it passes for chrome and gives me a poor man's XM16E1!

The only bad news is that it has a tight chamber. While it functioned flawlessly on the factory loads I tried, it hated my 55 grain handloads! 1 out of 3 would not chamber, even with a whack from the forward assist.

I can't bear to Californicate it and make if "Featureless" so I can lose the bullet button and 10 rounders. It is as intended, and I have my Mini-14 and featureless mid-length carbine in progress to fill the high capacity need.

[garrettbragg12]

All my stuff is in the mail headed my way.. You guys are killing me here. Nice builds guys!

[joem]

I put together a retro years ago with a SP1 upper 1/12 twist. It should have a 3 prong flash hider and I may get one yet.

[imarangemaster]

Google Innovative industries. They sell one, grey parked and everything, for $13!