Colt AR 2-screws pivot; how to replace with push-pin?

[IMtheNRA]

I have a circa-1994 Colt Match HBAR with a two screw head pivot pin. I'd like to replace it with something that does not require a pair of screwdrivers to separate the upper from the lower.

I was surprised to see that the lower reciever is NOT drilled for a standard pivot pin detent and detent spring. Besides, the pivot pin holes in both recievers seem to be much larger than the standard pivot pin size, so I can't just use standard off the shelf parts.

I'm sure I'm not the only one who wanted to do this, but I can't find a conversion pivot system.

Is there such a thing out there?

 

[briansmithwins]

Sell it and use the funds to buy a quality rifle that wasn't designed to screw over the civilian shooter*?

On the plus side, lots of guys in ban states will pay a hefty premium for a pre-94 AR.

BSW

*Crap like that (and sear blocks, and 1/2 moon bolt carriers) is the reason Colt is dead to me.

 

[LKB3rd]

I'm pretty sure there are adapters available for the larger holes to standard push pin size.

 

[RSVP2RIP]

About all you can do is this: http://www.jsesurplus.com/coltreceiveroffsetadapterpin.aspx

It lets you use a standard upper, but you still have to use screw drivers to dissasemble.


Edit:

Found this: http://www.mapartsinc.com/productsDetail.asp?id=645

But you'll need a new lower with push pins

 

[dfariswheel]

There are several types of replacement pins that convert the Colt bolt system to a push pin type.
I had an early conversion pin that was nothing more than a pin with a spring loaded ball in the end. It worked just fine.

Brownell's carry some modern and better types:

http://www.brownells.com/.aspx/pid=17158/sku=923-000-039/Product/AR_15_M16_PUSH_BUTTON_RECEIVER_PINS

http://www.brownells.com/.aspx/pid=24947/sku=231015011/Product/Colt_Push_Pin

 

[Mac Attack]

Find good gunsmith who is familiar with the AR15/M16 and have him drill out the detent spring hole. Then just install the new takedown pin as normal.

 

[IMtheNRA]

Dafariswheel, that KNS pin is just the ticket! Thanks a lot to all who responded!