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12/6/2019 7:27:02 PM
Posted: 9/26/2014 8:38:10 PM EST
[Last Edit: 9/26/2014 10:42:52 PM EST by Pro2ndAm]
I got an A2 upper on a trade a while back that turned out to be an XM-4 upper with a "4" stamped above the gas tube clover leaf & shallow M4 type feed ramps. Finally had sometime today to "age" an already well-used CMMG lower to match the upper. I still have to "age" a Colt M4 barrel that's being pinned & welded and waiting on a mil-surp N1 stock bought from member here on EE. But here are the pics so far:





Link Posted: 9/26/2014 9:56:50 PM EST
These BFPU's are great. Though I could never bring myself to do one.
Link Posted: 9/26/2014 10:52:12 PM EST
[Last Edit: 9/27/2014 2:05:10 AM EST by HipSh0T]
Looking good, can I give you a little constructive criticism? Go with darker takedown/pivot pins, trigger pins, etc. Safety, etc. It will help withthe BFPU contrast, of course scuff up the paddle on the safety and mag button, etc.....in the end you will be happy to have some more darker gray parts to match that upper as the lower is a bit light. On the barrel, you wanna put the wear in naterial areas such as the muzzle brake, FSB ears, and a little on the delta/slip ring. Looking good so far.
Link Posted: 9/27/2014 12:11:04 AM EST
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Originally Posted By HipSh0T:
Looking good, can I give you a little constructive criticism? Go with darker takedown/pivot pins, trigger pins, etc. Safety, etc. It will help withthe BFPU contrast, of course scuff up the paddle on the safety and mag button, etc.....in the end you will be happy to have some more darker gray parts to match that upper as the lower is a bit light. On the barrel, you wanna put the wear in nmaterial areas such as the muzzle brake, FSB ears, and a little on the delta/slip ring. Looking good so far.
View Quote


I remember some of the FSB ears on the A2's, I saw or was issued, almost looked like they were polished. Really smooth and shiny.
Link Posted: 9/27/2014 12:23:42 AM EST
This is what beat up look's like if you're interested in some reference, OP:



But not all look abused, as in look at this USAF M16A2 with an original 604 receiver:

Link Posted: 9/30/2014 10:35:14 PM EST
How did you apply "wear" to that lower? I have an A2 I built last year that is all black and I've been mulling over the idea of giving it that BFPU look.
Link Posted: 9/30/2014 11:14:18 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By ArmaLiteM15KevinZ:
How did you apply "wear" to that lower? I have an A2 I built last year that is all black and I've been mulling over the idea of giving it that BFPU look.
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I've read some threads where members have aged their lowers by using sand paper. I started with some 220 grit for the high spots that usually wears the most on actual rifles. Then I moved up to 400 and went real slow on the rest of the lower. I did remove more black finish than I'd like. But that CMMG lower with the modern day black finish was way too dark for the charcoal gray Colt upper. So that's why the lower has a bronze look to it. But I like it and I have a BFPU mag to match the lower
Link Posted: 10/1/2014 2:25:42 PM EST
[Last Edit: 10/1/2014 2:26:02 PM EST by ARKAR]
I love it, looks great!!!
Link Posted: 10/2/2014 7:35:02 AM EST
Don't scuff that upper anymore than what it already is, I wanna buy that upper off you when you get sick of it and decide to build something else.
Link Posted: 10/2/2014 3:09:10 PM EST
[Last Edit: 10/2/2014 3:12:01 PM EST by 5437]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By ArmaLiteM15KevinZ:
How did you apply "wear" to that lower? I have an A2 I built last year that is all black and I've been mulling over the idea of giving it that BFPU look.
View Quote


This is a link to an A1 BFPU I built with some details in it. I think the trick is duplicating the natural wear patterns if you can. Hold the lower in your hand and make a mental note of your contact points. Work them a little more then the high spots that would get rubbed off.

603 BFPU
Link Posted: 10/2/2014 4:22:50 PM EST
[Last Edit: 10/2/2014 4:26:51 PM EST by Pro2ndAm]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HipSh0T:
Don't scuff that upper anymore than what it already is, I wanna buy that upper off you when you get sick of it and decide to build something else.
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HipSh0T:
Don't scuff that upper anymore than what it already is, I wanna buy that upper off you when you get sick of it and decide to build something else.


The upper & A2 rear sight assembly is about the only that didn't require any aging

Originally Posted By 5437:
Originally Posted By ArmaLiteM15KevinZ:
How did you apply "wear" to that lower? I have an A2 I built last year that is all black and I've been mulling over the idea of giving it that BFPU look.


This is a link to an A1 BFPU I built with some details in it. I think the trick is duplicating the natural wear patterns if you can. Hold the lower in your hand and make a mental note of your contact points. Work them a little more then the high spots that would get rubbed off.

603 BFPU


5437 thread above ^^^^ is what gave me the motivation to age the lower to match the upper. I figure if I screwed up, I can always rattle can it and call it a Black Hawk Down 727 carbine
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