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By the way, what the hell is that phone doing in there? Shoddy photographic skills!! This is basically just an SP1 receiver only marked differently. The first obvious difference is the complete lack of a fence on the right side of the lower receiver. Moving back in time 21,792 rifles, we come to this jobber:įor all intents and purposes, it's the same rifle as we looked at above but it's nowhere near identical. Note that the pin does not pass through the left side of the receiver, only the right.Ī closeup of the small head forward assist still used today: On this rifle, that pin can be seen four pictures above on the right side of the receiver just above the safety axle. SO, Colt put this block in place and held it there by drilling a hole in the receiver and inserting a pin. Receivers of this era did not have the web we are accustomed to seeing in newer receivers in order to block the installation of full-auto parts. Muzzle showing the correct for this period peel washer: Still, we will see a couple more things that were done to permanently keep them semi-auto only as we move along.Ĭontrary to what you might read in some places, the "C" in front of "MP" stands for Colt, NOT Chrome or Chromed or Chrome Lined. Frankly, I'm not 100% sure of everything that was done. There were also other changes made but we're not going into all of that. All of this was done because Colt could see the ban on the horizon and they were hoping to be excluded from it if they did enough neutering to the design. The serial number prefix is "MH" which stands for "Match HBAR" and the bayonet lug was removed. In the interest of it being seen as a purely sporting rifle, the "A2" designation was removed and it was remarked as a "Sporter Match". This rifle is essentially an A2 HBAR but not marked as such. You can take it apart but you weren't supposed to. Instead there is a double sided screw installed. That's because Colt was not making civilian rifles at this time with the pin. Notice that it has the "full fence" on the right side of the magazine well but it's not drilled for the front take down pin detent. Certainly it was made prior to the 1994 Clinton ban. The first one we're going to look at is also the newest of the three and probably dates to around 1992-93 but that's just a guess. Also, none of them have dated barrels because I don't think Colt started dong that until about 1996. None of these are police trade-ins or anything special just plain jane civilian rifles.