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5/2/2017 9:21:09 AM EDT
Good morning community. I just finished up a M4 build modeled after the FN M4 Military Collector model. This is the fourth rifle I've built, but I have not built one in ~ 8 years, so I’ve been out of touch with the market and prices of parts. I wanted to get some inputs on if I found some good prices or not. I appreciate the input. Fees and shipping costs included in prices.
Complete upper: BCM M4 14.5” (no BCG) with KAC RAS & pined A2X flash hider - $460
Complete lower: standard PSA blemished complete lower - $151
Heavy buffer: DS Arms - $17
BC: DS Arms bolt carrier only - $65 (had a spare bolt and charging handle in the spares kit)
Optic: Aimpoint CompM2 with QRP mount - $220
Additional shipping: $10
BUIS: Matched - $45

Total = $968

I’m trying to sell off some of the items I acquired that came with some of these items that I’m not using to offset the cost, but that is what I’ve had to spend to build it.

Thoughts?
5/2/2017 9:27:22 AM EDT
[#1]
Looks good to me.
5/2/2017 10:36:05 AM EDT
[#2]
Thank you, looking forward to shooting it.
5/2/2017 3:26:13 PM EDT
[#3]
You did fine.
5/3/2017 12:17:33 PM EDT
[#4]
Quoted:

BUIS: not sure which model I will need yet to match what my military unit uses but I’m estimating ~$50


Thoughts?
View Quote


Army/Air Force use the Matech BUIS  
Example: https://www.amazon.com/dp/B002E6SXN4?tag=vglnk-c102-20
Priced: $88

Marines use the KAC BUIS
Example:  https://www.amazon.com/dp/B0086VZFE6?tag=vglnk-c102-20
Priced:  $135

Spending may vary depending on where you get one from (online vs gun show).  Things to worry about authenticity if that is your thing.

I purchased a KAC rear 200-600 BUIS at a gun show for $75.  I have heard you can get one for as low as $35 on ebay.  I have not done ebay since the late 90s.  The trust is just not there for me, others mileage may vary.

What mine looks like: http://i.imgur.com/6hd3cwt.jpg
5/3/2017 7:52:20 PM EDT
[#5]
Looks like Matech it is. Interesting price swing on used ones.

With sight rifle should still be under $1,000, I think I did pretty good since the FN collector series, MSRP is $1,750.
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