Initially Posted By tony_k: Not industrial guns, simply because Colt experienced a coverage of not selling MGs to personal get-togethers. By legislation they might not, as they in no way compensated any federal excise tax on their own MGs. That saved them all over ten% per gun. (FET is compensated through the maker and it is because of on guns destined for civilian sales; LE, miqitary and export guns are exempt through the tax.) The nine-mil SN array was devoted to LE and export sales. As a result, a lot of the LE M16s ended up indeed diverted to personal entrepreneurs by distributors and sellers (nevertheless Colt would sever sales to any FFL caught doing so).

The barrel is usually a 1970's or 1980's, simply because that is definitely once the C FSB was applied.  The aluminum barrel block markings are standard to get a arsenal rebuild.

This is certainly also basically a process of grinding off the reinforcement material that was included to strengthen the takedown pin place, and reprofiling the world to really make it resemble the initial A1 region. See the image down below for an instance:

Shortly right after M16A1 production and just previous to chrome being additional for the M16A1 chamber the flash closed "chicken cage" suppressor was introduced:

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Quoted: It appears like the original handguards that came about the rifle were being swapped out in some unspecified time in the future with Brownells handguards. Those are the only reproduction handguards which have minor hex headed screws that hold the heat shields set up.

I'm not sure of the barrel, but In the event the higher is marked C K that might be for Colt  over a Kaiser forging I think.

I say this as a collector and almost everything I need/accumulate finally ends up A lot more difficult to acquire and far costlier right after they don't seem to be officially available any more. Residence primarily based FFL's ended up culled out inside the 90's, who understands what will occur.

My retro gun has an LM upper on a '91-classic  PWA decrease. I am serious about buying up an SP1, but form of like the thought of 100% components 'swapability'. Also, I'm in copyright, so access to almost all of the 'amazing stuff' is pretty pathetic up in this article.

I don’t know much about GM and H&R guns but I do Assume the data is missing there. Not that Ekie was lacking details, due to the fact this thread absolutely took him a very long time to build.

Thanks Ekie - this seriously summarizes all the great facts in the M16 tutorial. A fantastic brief reference. TACK IT! ETA: But Will not put it in Forum methods - not one person seems to see People Despite the fact that They may be at the highest in the site.

Type A and B.  Top rated is 1st production brown fiberglass, base is brown fiberglass painted eco-friendly paint, or "B".  See which the heatshield is different:

roll  marked.  Receiver marked burst, but arrived to me with fa result more info in group, not three shot burst. Any one else have this? I in fact favor this configuration. Could it be Secure to assume this was completed outdoors the manufacturing unit?

A2 handguards have been utilised on the A2 along with the A4.  They range from matte to gloss.  At this time I'm believing that the gloss ones are substitute sections rather then factory first.