What is the difference between A and B pattern, in the LPK?

[EasyEJL]

I know the A lpk is the pmag compatible in terms of the lower. But just looking at the LPK, what is the difference? They have the B in stock, but not the A right now.....

[EasyEJL]

Well, I answered my own question, I went through the parts list, and the only piece that is different is the mag catch itself. I guess I have to wait till the A is back in stock without trigger

[Quentin]

I believe the magazine catch and bolt stop catch are the only differences in the A and B LPKs. If you're in a rush you might see if those parts are in stock separately. Probably not since the A version LPK isn't in stock.

[Gator Monroe]

Do you guys foresee the B LPKs going into backordered mode soon ? 

[jtallen83]

I'd grab one while it is there. They may very well decide to stop supporting the B model and just drop it.

[slugger43]

3 hours ago, jtallen83 said:

I'd grab one while it is there. They may very well decide to stop supporting the B model and just drop it.

I think that B bolt stop is a pretty beefy one, and has been used in a fair number of builds as noted by various guys on the forum.  Here's a thread on one modification:  https://forum.308ar.com/search/?type=all&q=bolt+stop+surgery .   I picked up one of the B LPK's a while back, just to get the quality spare parts.  I think I picked up the A bolt stop at the same time, just because it was available.  That one ended up in a friend's build......

[Quentin]

On 4/2/2016 at 9:42 PM, jtallen83 said:

I'd grab one while it is there. They may very well decide to stop supporting the B model and just drop it.

I hope that doesn't happen any time soon. Maintaining two incompatible receivers does cause problems but it's hard to drop something you've been selling over 20 years, especially when they've sold way more B series over the new A series. Introducing the A series was the right thing to do, though.

[Gator Monroe]

If you guys had to make a guess on how long it will take ArmaLite to fill my FFLs order (2 Weeks old) for my California Legal B model stripped Lower how many months would you say ?