One more from Aero Precision without the PDQ Linkie
Soon, our own receivers 
Photo courtesy of inverse_square at Instant Gram, and S.H.W.A.T. - Special Hog Weapons & Tactics.
Midwest Industries billet receiver 
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Cross Machine Tool (CMT Tactical) :D]CMT
San Tan Tactical
I wonder why BCM has not offered this as an option. 
It takes years for folks to accept the idea. Back in 2010, we weren’t sure if anyone would make a compatible receiver, our opinion and foresight, if you want to call it that, were not shared by everyone, and they are still not universally accepted.
We never impose our ideas of what works and doesn’t work on anyone. The 45/90 compatible receiver only offers options. You might be amazed at how often we’ve had to talk manufacturers, who are strong believers of the short throw selector idea, OUT of making receivers with 45 degree only FIRE engraving (this FIRE marking means a 90 degree selector would still work, the pointer just won’t line up with a 10 o’clock FIRE engraving if a 90 degree selector is used instead).
Judging by the number of short throw selectors (from us and other manufacturers), and BAD-ASS-ST 45/90 compatible receivers are available in 2014, I’d say more folks are recognizing that “what ain’t broke, don’t fix it” mentality is flawed if applied to everything. If it were, we’d be shooting muskets and transported by horse drawn carts still today.
We ourselves debate new ideas accordingly. Would it better to keep something as is, because it works? We don’t come out with something different for the sake of being different, it must be better. If it isn’t, then “what ain’t broke, don’t fix it” kicks in.
BCM is comprised of more guys that have been involved in .mil and have been shooting the AR15/M16 platform for a very long time. I do not see BCM or anyone affiliated with them (read, gets free shit from BCM) ever adapting the 50 degree lever. They have more of a purist mentality and the training idea that if it’s not the same all the way around (90 degree or ambi even) it will affect you if you pick up a different weapon.
Which can happen, folks who experience confusion when switching between ST and 90 degree selectors are decidedly in the minority. For those of us (and who doesn’t own a long gun other than an AR?) that shoot multiple systems, say HK and FN, that do use short throw selectors, do we also have problems going back to an AR with its 90 degree selector?
As more systems go the short throw route, and 90 degree becomes the exception, the argument to train with something you’re familiar with can make sense here as well. Those with FN and HKs should find themselves right at home with an AR equipped with a short throw selector.
Ultimately, training can solve many of these real or imagined confusion.
Thanks for the clear and well thought out answers.
We know practically all the arguments for and against anything we develop, we’re our own devil’s advocate. We have to be able to articulate clearly the reason behind every product in its entirety, which includes the reason for being, the reason for this angle and that chamfering, as well as the absence of something in the product. To say it’s attention to detail would almost do our product development injustice lol
