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*LONG POST* UPDATED UPDATE in 1st post to *and so it begins...XM21 Bula*

This is a discussion on *LONG POST* UPDATED UPDATE in 1st post to *and so it begins...XM21 Bula* within the Modern M14 forums, part of the M14 M1A Forum category; I admittedly never thought about recording it on video...not a bad idea except i'm typically running my chrono through bluetooth to my phone at the ...


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Old June 6th, 2017, 11:51 AM   #16
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I admittedly never thought about recording it on video...not a bad idea except i'm typically running my chrono through bluetooth to my phone at the same time, but I suppose I could do it while I'm breaking the barrel in with regular old 147gn Federal white box (mostly for the LC brass).

I've noticed different loads/projectiles/powder charges absolutely effect the direction which my brass is ejected (at least in my M1), but will be spending my free time this summer testing different things on this rifle to achieve its maximum potential. This will hopefully be my 'go-to' every time i'm packing up to go to the range!

The correspondence from SWFA was that it should not hinder the performance of the optic, but that anodizing will most likely be effected by the case ejections (duh). Seeing as how I really couldn't care less about what this rifle looks like as long as it's accurate and reliable, I think i'm gonna give it a go regardless of where/how it's hitting.

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Old June 6th, 2017, 12:29 PM   #17
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so what was the mallet used for ???

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Old June 6th, 2017, 01:18 PM   #18
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so what was the mallet used for ???
Attitude adjustment.

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Old June 6th, 2017, 02:13 PM   #19
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so what was the mallet used for ???
HAH! ummm...you weren't supposed to see that. But for one, those Archangel stocks are TIGHT! I also LIGHTLY motivated the brand new TRW op rod into the groove as it was just a c-hair tight...it took one little tap and that was it...didn't even scrape the finish from what I could tell. I'm pretty sure that's it...the roll pins and all the rest went in pretty easy with my roll pin starter punch, and...ahem...a ball peen.

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Old June 21st, 2017, 06:24 AM   #20
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Target picture

...at least my windage is good?
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Old June 21st, 2017, 06:54 AM   #21
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Talking

I know how you Marine's like pictures..... Try this.




http://m14forum.com/m14/141225-handguard-fitment.html

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Old June 21st, 2017, 07:05 AM   #22
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I know how you Marine's like pictures..... Try this.



http://m14forum.com/m14/141225-handguard-fitment.html
oooooh! i hope it's in crayon!

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Old June 21st, 2017, 07:29 AM   #23
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So you fired one shot and put it back in the case and went home?


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Old June 21st, 2017, 08:02 AM   #24
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So you fired one shot and put it back in the case and went home?


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Yep! A few of the times I brought other rifles to shoot as well, so as not to feel like I wasted the gas/time. I would have done it all in a single day at the range if I had a day to spare...time is tight, and the range is only a 10 minute drive or so for me, so it made sense to do it that way. Believe me, it was a process...but as you can imagine with this being my first build on a fairly expensive setup, I really wanted to make certain everything was done right to the best of my lack of abilities :D

Seems silly but my Weimaraner, Hank the Tank, likes truck rides to the range anyway.

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Old June 22nd, 2017, 05:21 AM   #25
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Hey

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Well...that was fun! Man, I wish I had enough money to build one of these rifles every day! I'm so glad I still have the Fulton M21 receiver to barrel/headspace/build in the near future, because I can see this being VERY addicting!

My girlfriend had a shift at the hospital Saturday night, and I knew it was going to be some time before I had another opportunity to build this up...so in 5 hours, she went from headspaced barreled receiver to what you see here including fitting in the Archangel stock. That's about as much fun as I've ever had with my pants on! It was NOTHING like building an AR...matter of fact I might sell my Mattel rifles to make more room for M14's eventually!

Still not sure if i'm going to keep my SWFA SS 3x9 glass on it, or put something else in. I love that glass, just not sure whether it's a good fit with the turret sticking a mile out to the right of the bolt cutout.

Specs:
-BULA XM21 Receiver with Medium Contour 18.5" Barrel (op rod guide installed)
-BULA bolt pre-headspaced
-New TRW op rod
-OM-N trigger group
-Sadlak spring guide
-Schuster adjustable gas plug
-Smith Enterprises Good Iron Muzzle Brake with 9/16x24tpi installed with jam nut (pictures might show it not fully installed, but it's damn near perfect now as far as my eyes can see.
-USGI op rod spring, gas lock, piston, firing pin, extractor/spring/plunger, ejector/spring
-ProMag Archangel stock
-Burris XTR low rings (my SWFA 3x9 is so close to the handguard, I can barely slide a piece of paper between the two!)

To date, I took it out back and fired one single shot with it (in driving rain yesterday) so I can now clean it and use Butch's Bore Shine (unless you guys recommend something else) and break this thing in right!

Thanks again to Jeff for the sweet deal on the barreled receiver, to M1Army for the trade on the Brookfield Op Rod Spring Guide, the guy that sold me the new TRW op rod for $220, to the dude from the other forum that sold me the unused Archangel for $160, and the dude that sold me all his M14 spare parts for a song as part of the deal with my 1987 M1A match rifle.

I'll keep all updates and range reports in this thread so as to not booger up the forum.
Wow mate, you shoed us such a nice stuff! Had pleasure to analise such a weapon!


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Old June 22nd, 2017, 07:54 AM   #26
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Your handguard should not touch the receiver. You don't need much clearance, just enough that you aren't forcing the handguard into place.

Any sane person would have done the break in procedure in about a half an hour. Actually, you're the first person I have ever heard of that broke in an M14 barrel.

With an M14, a cold bore shot can be the odd one in a group, usually high. The usually are not more than 2 moa off.

I have seen factory Loaded models with the Archangel stock shoot with match level accuracy. On the other hand, I have seen several folks install the Archangel stock on existing rifles with not-so-good results.

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Old June 22nd, 2017, 08:39 AM   #27
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That's impressive. Just having a range 10 minutes away would awesome. Glad to hear this is what you wanted.


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Quote:
Originally Posted by Dakar652 View Post
Yep! A few of the times I brought other rifles to shoot as well, so as not to feel like I wasted the gas/time. I would have done it all in a single day at the range if I had a day to spare...time is tight, and the range is only a 10 minute drive or so for me, so it made sense to do it that way. Believe me, it was a process...but as you can imagine with this being my first build on a fairly expensive setup, I really wanted to make certain everything was done right to the best of my lack of abilities :D

Seems silly but my Weimaraner, Hank the Tank, likes truck rides to the range anyway.

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Old June 22nd, 2017, 10:00 AM   #28
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Your handguard should not touch the receiver. You don't need much clearance, just enough that you aren't forcing the handguard into place.

Any sane person would have done the break in procedure in about a half an hour. Actually, you're the first person I have ever heard of that broke in an M14 barrel.

With an M14, a cold bore shot can be the odd one in a group, usually high. The usually are not more than 2 moa off.

I have seen factory Loaded models with the Archangel stock shoot with match level accuracy. On the other hand, I have seen several folks install the Archangel stock on existing rifles with not-so-good results.
It looks like late this afternoon will be the true test as to whether the hand guard was the issue or not. I removed the optic last night (SO easy on the XM21) to give me clearance to pull off the hand guard...marked the hand guard with a pencil and a metal ruler as a straight edge (tape wouldn't stick well enough for some reason, but probably the humidity)...took out the palm sander and went to town until I met my line. Dabbed some household clear silicone on the barrel near the rear clip and put a bead inside the barrel band on my unitized gas cylinder and snapped the hand guard into place. To my surprise, there was NO residual even at the front band...so no clean up.

Follow up range report tomorrow with hopefully much better results. Thanks for the tips guys.

Stand by!

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Old June 23rd, 2017, 07:16 AM   #29
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The results are in!

shots marked with a 1 are from the second to last shot group...I made a few more small adjustments to my optic, and the shots marked 2 are from my final shot group of the evening with plain jane M80 ball.

she's not cycling properly...seems like about 2 out of 5 cycle, maybe less. so she's not done just yet!

and before it's commented on, some donkey sitting a few benches down from me shot the berm in front of my targets and peppered them with gravel. that's why it looks like it got hit with bird shot. the two shots marked with a 1 that are touching were not consecutive, but rather my 1st and 4th shot in that shot string. i did four shot groups because I had 8 rounds left in the mag after I got on paper consistently enough to justify shooting for accuracy. i'm not sure how to 'measure' group size, but I think my last shot group is probably in the 1.5" ball park. minute of bad guy all day long in a platform that really makes me glad I sold my AR10 to get into my first M1A and that magical 'box o parts' that came with the deal.
When all is said and done...this time next year I should have 4 different M14/M1A variants, including 2 mostly built from that box.
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Old June 23rd, 2017, 08:41 AM   #30
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Your cycling issue is most likely caused by the adjustable gas plug. You only need one if you are using a suppressor with a lot of back pressure.

A standard plug works just fine with M80 ball. If you use a lot of FGMM, M118LR or Mk 316 Mod 0, then get the ported non-adjustable plug.

3 shots is OK for zeroing, but you need a few 5 shot groups to determine accuracy (10 shots for a match rifle).

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