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I'm a "gun guy", AMA

A couple people had expressed interest in this topic, and I have a bit of extra time for a couple days, so here goes:

Bona fides: I am a former infantry NCO and sniper, hunter, competitive shooter, reloader, hobby gunsmith, sometimes firearms trainer and currently work in a gun shop, mostly on the paperwork/compliance side. Back in the day, was a qualified expert with every standard small arm in the US inventory circa 2003 (M2, 4, 9, 16, 19, 249, 240B, 21, 24, 82 etc.), and today hang around the 75th percentile of USPSA classifications. I've shot Cap-and-Ball, Trap and Sporting Clays badly; Bullseye and PRS somewhat better and IDPA/USPSA/UML/Two-gun with some local success. Been active in the 2A community since the mid-90s, got my first instructor cert in high school, and have held a CPL for almost twenty years now.

I certainly don't claim to be an expert in every aspect of firearms, there's huge areas that escape my knowledge base, but if you've got questions I'll do my best to answer.

Technical questions

Gun control proposals for feasibility

Industry

Training

Wacky opinions

General geekery

Some competition links (not my own) just for the interested.

https://youtube.com/watch?v=U5IhsWamaLY&t=173

https://youtube.com/watch?v=93nEEINflXE

https://youtube.com/watch?v=utcky0zq10E

https://youtube.com/watch?v=xVh4CjbgK7s

https://youtube.com/watch?v=0IK2RUxVq3A

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I’m agonizing over AR optics. My baseline AR is a Ruger 556 with a 16” barrel and FSB. I’ve been running a red dot on it, but red dot + FSB just irks me. I am in the no BUIS camp with modern optics. Also a Forward Assist hater, but I digress. So now I’m running a detachable carry handle, with a red dot mount for a Holosun 403 footprint (Aimpoint?). Don’t have that red dot yet, so just irons for now. Slapped the old Bushnell TRS-25 on 300BLK range toy.

All of that is fine, no agony. The Ruger is my factory rifle with irons and a chin weld red dot. Great inside 100 yards and good to 300+ depending on target.

But now I’ve built an SPR/DMR, with a White Oak 18” SPR profile, fluted, on a KP-15 polymer lower. Intended use is beyond 100 yards, out to 600+, not that I have tons of local options to do much shooting at those ranges. A 1-6/8/10 LPVO makes sense, but as I’ve learned more about scopes, I realize the 1x case severely limits ease of use at higher magnifications.

Long story short, I’m considering the following options:

  • Fixed 4x scope (baseline optic, already mounted)

  • SWFA SS 3-15x

  • Primary Arms 5x prism

Keep in mind, I still haven’t fired this thing, and it’s intended to be a practical rifle, so man-sized targets at range, no x rings.

I love red dots for unlimited eye relief and minimal parallax. I’m skeptical of prisms, never having spent much time with them. I don’t have a ton of experience with magnified optics. I have a cheap 4-16x Vortex that I used when taking the Ruger beyond 300 yards.

If I had a LPVO or red dot + magnifier, maybe I repurpose the rifle into a heavy ass tack driver 0-500 yards. But I think it makes more sense to dedicate it to beyond 100 yards.

Wat do.

I have a cheap 4-16x Vortex that I used when taking the Ruger beyond 300 yards.

Why not just put said cheap Vortex on the longer-range AR and shoot with it until you've found something another scope will do better than it?

(Alternately, what have you found wrong with it such that you want to switch in the first place?)

If you're dedicating the rifle to beyond 100 I really wouldn't worry about 1x- the reason hunting-oriented scopes don't tend to bother with 1x to begin with is a combination of the fact that doing 1x right costs money (it's not like they have to make a 4x scope exactly 4x- you won't notice if it's 3.9 or 4.1- but if they're making a 1x scope you will notice 1.1 or 0.9x), and it costs you in top-end magnification. And any and all of those are still going to leave you at a disadvantage if you now need to take an unanticipated shot at 10 yards anyway.

Good point; I want to play with the 4x fixed scope first, as I haven’t squeezed the trigger under that one, yet. Was going to use it to “eval” a 3x vs 5x prism setup. Now that I understand how an Elcan works, I like that it has the 1x option. Anyway, I’m rambling. Point is, the Vortex is a cheap scope, 2FP, Crossfire line, now that I recall. I’ll save for the SWFA SS 3-15x in that class.

The other concern I have is maybe mounting a piggyback pistol RDS. Just for that sub 100 yard coverage if need be. Gonna leave that for later though.