I can understand the appeal of starting a young child or small statured adult on a .22. I learned on a Winchester M63, but I was four-years old. Most adults should be fine with any centerfire rifle in the .308 class. My step-mom shot my M1A her first time out shooting a rifle and did okay with it, even if she preferred the Mini-14. I can't imagine an adult male be intimidated by the M1A. That is definitely grounds for revoking of Man Card. We're talking about a ten-pound, gas-operated semi-automatic rifle here. From a 6.5 pound bolt action with a steel buttplate, the .308 isn't bad. From an M1A, it's a pussy cat.
While the M1A is more difficult to field strip for maintenance, to suggest that it requires more maintenance than the AR is bull-pucky. Nothing could be further from the truth. With the exception of certain Russian designs and possibly the FAL, the M1A requires less maintenance than just about any other semi-automatic rifle system available. The M1A's receiver remains cool and clean through hundreds of rounds and requires only infrequent maintenance consisting of a quick scrubbing with a toothbrush and a wipe down with a clean rag. It's more accessible than the AR receiver, so even disregarding how much dirty the AR's receiver is likely to be, this process is much quicker and more trouble free with the M1A. The bolt, like the receiver, has fewer tight spaces and edges to clean, including far fewer lugs. For regular maintenance, the user really only has to pull the cable of his Otis cleaning kit or a Bore Snake through the bore as desired, and disassemble the gas system every couple hundred rounds or so. Unless one has subjected their rifle to a sand pit or mud bog, or other adverse condition not likely found under normal range use, one could easily go a long time without ever even taking their M1A out of its stock.
As for the Springfield rifles, I was skeptical as well when I bought my M1A. All the talk of cast receivers had me thinking. Receiving the rifle and taking it to the range quelled my fears. The Springfield M1A is an excellent rifle. Be advised, however, that M1As are addictive, and having bought your first, you'll quickly begin thinking about your next. Which, with the pros out of the way, brings me to the cons:
1. The M1A offers a shooting experience matched by no other design. It is about as accurate, reliable, trouble-free, and durable as it is possible for a rifle to be. The sights and trigger are among the best ever put on a battle rifle. The ergonomics and balance are excellent. But the experience is more than the sum of its parts. Popping your rifle cherry to an M1A is like losing your virginity to ______insert favor porn star here_______. It just ruins the experience with everything else.
2. Because the experience is so rewarding, M1As are addictive. An 18 inch Scout could easily to everything you could ask of a rifle out to at least 600 yards, but that won't matter. You'll find increasingly smaller M1A niches that need to be filled. I have a full-size Loaded, but I had no sooner wafted the smoke from the handguards my first time out with it than I started thinking about an 18 inch Scout in a Sage, a Super Match in a JAE Gen II, a Chinese Polytech under the seat in the truck, a SOCOM 16 next to the bedstand... ...
3. Ammo, like everything else nowdays, is expensive. While I won't claim this is a good thing, good can come of it. You'll focus on the fundamentals and make every shot count. At $.40 a pop, you'll do less bump-firing and random noise-making, and more real, honest, practice.
One last question before I ride off into the sunset -
Will firing lefty be a problem with the M1A? I am right handed but have swung a bat and everything else lefty. Lefty is actually where I would feel comfortable with a rifle.
I am cross-eye dominant--that is, right-handed but left-eye dominant. I shoot left-handed because of this.
I have never had a semi-automatic rifle give me problems shooting it left-handed. I have never, not once, had a case ejected back at me or anything like that. The only time this has occurred has been after the empty has ricocheted off cover on my right, and this can occur to any design and to right-handed shooters as well.
For a lefty, the M1A is an excellent choice. Springfield advises that left-handed shooters attempt to shoot the rifle right-handed, but I have not found this to be necessary, and in fact, the design seems to favor left-handed shooters. The safety and mag release are ambi and easily accessible to both right-handed and left-handed shooters. But the location of the charging handle on the right side of the rifle requires right-handed shooters to either move their firing hand from the firing position or move their support hand over or under the receiver, which can be difficult and comparatively time consuming, esp with optics and a twenty-round magazine in place. This is the same problem faced by right-handed shooters with the Kalashnikov, and it is one that you as a lefty don't have, with either design.
The AR is fine for lefties and you can cope with practice, but for left-handed shooters, it is ergonomically far inferior to the M1A/M14.
On the M1A, cases are ejected slightly upwards at about the 2 o' clock position, in my experience, well away from the shooter. Rest easy and ride thee into the sunset...