Striker fired? Looks like hammer fired.
"Therefore, since the world has still... Much good, but much less good than ill,
And while the sun and moon endure, Luck's a chance, but trouble's sure,
I'd face it as a wise man would, And train for ill and not for good." -- A.E. Housman
Yes you are correct. The MTX pictured is hammer fired single action. The STX is a 1911 striker fired pistol. Heres an article about it.
http://bearingarms.com/detonics-siddle-stx-interview/3/
Information is scattered throughout the net. As I understand it the MTX uses a 1911 slide and a 1911 type thumb safety.
Basically its a polymer double stack lower with claims to superior ergonomics leading to instinctive pointing and better recoil management. Also no grip safety.
The STX is not even listed on their website.
Reaction to a striker fired, double stack 1911.
http://youtu.be/fG9IHqwHYgI
The website says the Detonics MTX models have an aluminum alloy frame.
Will the striker fired version actually have a polymer frame?
I would prefer a quality alloy frame, personally, but in any case, the MTX grip as pictured looks about as fat as a Para-Ordnance.
One of the best features of JMB's original 1911 design, IMNSHO, is how well-suited the grip is to the hand; I'm afraid a fat grip just won't feel right. I'll reserve opinions until I can see one.
"Therefore, since the world has still... Much good, but much less good than ill,
And while the sun and moon endure, Luck's a chance, but trouble's sure,
I'd face it as a wise man would, And train for ill and not for good." -- A.E. Housman