De-Klintonizing the BM M4gery

AR/M4 AR General Discussion
1

In anticipation of my new job in northern MA, which will be a short commute from NH, I am planning out the de-Klintonization of my BM M4gery.

I have decided that I will keep this rifle as my KISS carbine, but want to make it “all the Bushmaster it can be.” With that in mind, here is my plan.

  1. The upper will be sent to ADCO to have the FSC556 installed, replacing the BM Izzy brake. I will also have ADCO install a FSB with bayonette lug.

  2. I’m placing an order with Grant for a Magpul CTR Carbine Stock MIL-Spec Package. It will be nice to finally have a collapsable stock, and I’ll be sure to do the correct staking job.

  3. I’ll also place an order for a BCM M16 Bolt Carrier Group and use the BM bolt as a spare.

  4. And finally a few of these and one of these to complete the transformation.

I know this all sounds a bit mundane to most of you, but for a soon to be “former New Yorker” it’s nice to be able to configure the rifle the way I want it. Now all we need is some ammo…

2

Welcome to free America. I moved from NYC so I know the joy you must feel. Good luck with your project, but I encourage you to get SBR papers filed ASAP

:stuck_out_tongue:

3

NYC - you had it worse than me on Long Island!

Yes, a SBR will be in the works, but I want to base that on a better rifle - perhaps a LMT. I will be an “apartment dweller” until we sell our home here on LI, but once that happens and we buy a home in NH, the fun will begin in earnest!

4

Sounds like a plan. Since you already are getting the stock from Grant why not pick up a complete BCM bolt/carrier from Grant. BCM bolt/carrier groups are nice and are staked better than CMT/Stag.

5

Thanks for the suggestion (that’s actually the one I had in mind) - original post fixed!

6

xxxxx

7

I’m glad you brought that up - I wasn’t aware. Just saved me $85 I can put toward the other stuff - thanks for the info!

8

I would send the upper to AR15barrels.com instead of ADCO. Better pricing, plus IMHO, better service, although ADCO is good people as well.

9

I rather buy the FN M16 BCG fron Grant at GR Tactical.com than the BCM. I plan on buying a couple FN M16 BCG in a few months when I get some extra Toy money to spend.

10

Reasons?

11

I just rather have the FN BCG over BCM, FN is a bigger name and a lot more history behind the FN’s name.

12

ADCO (site sponsor here, BTW) did great work on my M4gery when I debanned it in 2004.:slight_smile:

13

I’ve already had a few email exchanges with Steve regarding this project so I think I owe it to him to send the work to ADCO. And of course, they come highly recommended.

I plan on getting the upper sent out this week.

14

Hello,
Wanted to also share my positive experience with ADCO on deKlintonistanizing.
I had two Colt MT6400 barrels threaded and FS added in May '05. The turn around was faster then 2 weeks after I shipped them. When you send the upper to them I’d suggest the removal of the BCG/CH and handguards to lighten the shipping weight. I opted against the bayonet lug as well.

Let us know when you get it “restored”.

15

Thanks for your input! I hope to have the conversion done in Nov. once I have an apartment in NH and will certainly post some pics at that point. I will get the FSC556 and new BCG done sooner as those changes will not effect the rifle’s AWB compliance.

16

They did a great job for me also.

Mark

17

I’ve had work done by both ADCO and AR15Barrels, I gotta say AR15 Barrels did more work on it, better quality, lower price, and faster turn around time than ADCO. ADCO is a fine choice, its just that AR15Barrels does it better.