Bobson said:
Seriously. Do tell, OP. What's with the blatant agenda?
OK, OK. I will come clean and tell you my "agenda".
I am a Glock "fanboy" who also loves 1911/Sig/M&P. Although I started out match shooting (USPSA) with 1911/Sig 226, I switched to Glock 17 after I got faster stage times than Sig 226 (yeah, it's true - almost brought tears to my eyes to admit that the first time). When 40S&W became more popular as a match caliber, to better meet major/minor power factor requirements, it became my match caliber to this day (17 years).
I grew up/live in metropolitan cities where robbery/burglary/home invasion robbery/gang violence are common daily occurrence and focus my shooting training/practice with SD/HD in mind (I have been burglarized several times and walked-in/apprehended one in the act inside my home!).
RO/USPSA SO who also taught PD/SD/SWAT did defensive/tactical/point shooting instructions to some of local USPSA match shooters before he retired. He took us through the same SWAT training setups with low light/smoke and told us that sighted "front sight flash" shooting we used for match shooting may not always be the viable defensive shooting option and we must master fast draw unsighted point shooting as well (with both strong/weak hands). BTW, my initial unsighted POI was higher than POA. But with deliberate training/practice, now I can produce same POI with POA.
He would allow us to observe "seasoned" LEO SWAT trainees start their training and pointed out that often officers would aim low/shoot the floor in recoil anticipation or POI deviated from POA (even at close ranges) with their Glock 22s. He would spend the start of their SWAT training "undoing" the assumptions and habits about their on/off duty Glocks based on the holes on targets of low light situation setup they engaged. Many officers were surprised by their results and he would tell them "holes don't lie" and they had to accept that reality in order to train properly.
We even did "night" shootings to verify the effects of muzzle flash of various factory JHPs and I guess smokeless powder flash suppressants work because the flash size/duration was less than what we anticipated. Night sights were less effective than we all had hoped for as we were instructed to keep our eyes on the targets and stock sights were useless in low light conditions. He clearly demonstrated the need for unsighted fast draw point shooting for defensive shooting situations. On some USPSA practice range days, front sights were removed from our Glocks to run the stages unsighted - my first run, can you say "Humbling experience?"
The reason for fast draw eyes closed weak hand point shooting drill is to verify the natural point shooting one may do under panic defensive shooting situation (of course, most of us do the same drill with our "trained" strong hand). It may be an uncomfortable exercise for some shooters but I consider it an essential part of my defensive point shooting drill practice I conduct at each range session along with my strong hand sighted drills (better to be prepared than get caught with your pants down ... just in case).
I was a small minority when I switched to Glock platform for match shooting but now Glock is the majority at most matches, especially for the Production division. When I hear shooters brag about how well their Glocks shoot, I have them try several unsighted strong/weak hand drills and many are surprised by the result. Had they done the same in SD/HD situations, they may have missed their targets. For me, accuracy is everything and holes on target speak volumes. No, missed shots don't count - at matches or in real life.
My agenda? Just to offer another range drill to benefit Glock owners.
As to 1911/Sig/M&P, I still love them but hated M&P's old factory trigger - but as of this summer,
S&W fixed the triggers on 9/40 M&P and later for 45 M&P.
BTW, 1911s (with arched/flat main spring housing), Sigs, M&Ps and even my Taurus SA/DA PT145 sights have always pointed/shot to the same POA/POI for me.