This page used to be a weekly deals email from early 2017. The prices on it are ancient history, so instead of leaving dead offers up, I’ve rewritten it around the two things that email got right: SIONICS Weapon Systems builds seriously good uppers, and Sig Sauer’s optics line deserves more attention than it gets.
I’m Lance Rankin, the owner and gunsmith here at Western Sport in Roanoke, Texas. I’ve had SIONICS uppers apart on my bench, and what follows is what I’d tell you across the counter.
Why SIONICS Weapon Systems uppers stand out
SIONICS is a smaller Arizona outfit, and like a lot of small builders, they compete on quality control instead of marketing budget. Two things on their spec sheets are worth understanding, because they’re the reason these uppers cost more than bargain-bin builds.
First, the barrels are radiographed and magnetic-particle tested. In plain English, every barrel gets inspected for internal voids and surface cracks before it ships, the same kind of testing mil-spec barrels go through. Plenty of makers batch test or skip it entirely. Second, SIONICS ships NP3-coated bolt carrier groups standard. NP3 is an electroless nickel finish with PTFE embedded in it, so the BCG runs slicker, needs less lube, and wipes clean with a rag instead of a scraper. If you’re curious how coatings compare, I broke them down in my guide to bolt carrier group coatings.
Their uppers in that era all ran mid-length gas systems, which give you a softer, smoother impulse than carbine-length gas on a 16-inch barrel. That’s the right call, and it’s the same choice premium builders keep making.
The rail choices tell you something too
SIONICS didn’t cut corners on handguards either. Depending on the model, these uppers wore a Daniel Defense Light Rail II, a Centurion Arms CMR 13-inch M-LOK rail, or Magpul MOE furniture on the budget-friendlier Patrol ZERO. Those are all names you’d happily buy on their own. When a builder pays for someone else’s premium rail instead of stamping out a cheap house brand, that tells you where their priorities sit. If you’re sorting out which attachment system you actually want, my quad rail vs M-LOK vs KeyMod piece settles the debate.
One honest note: SIONICS Weapon Systems is a small shop, so availability comes and goes. Check current stock rather than assuming a specific model from this era is still in production.
Sig Sauer optics: a line for every job
The other half of that old email was Sig Sauer glass, and the lineup logic still holds even as models get replaced. The Romeo series covers red dots for fast, both-eyes-open shooting. The Tango4 was Sig’s 1-4x variable, the do-it-all carbine scope category that’s only gotten more popular since. The Bravo4 was a 4×30 prism sight for fixed-magnification fans, the Echo1 put thermal imaging at a price hobbyists could reach, and the Kilo850 handled rangefinding. Sig’s electronics have been aggressive on price for the feature set from day one, which is exactly why we carried them.
My standing advice on optics hasn’t changed: buy the glass for the job, not the brand. A red dot for inside 100 yards, magnification when you need to identify or stretch. If the rifle guards your hallway, start with my rundown of the best AR-15 optics for home defense.
Talk to me before you buy
Current inventory lives in the shop, and if you’re weighing a complete upper or an optic and want a straight answer, email [email protected] or call 817-393-4000. I’d rather talk you into the right part than sell you the wrong one twice.
Lance Rankin is the owner and Chief Gunsmith of Western Sport, a family-run Type 07 FFL and Class 3/SOT dealer in Roanoke, Texas, serving shooters since 2007. Born and raised in Texas with over 50 years of experience handling firearms, Lance purchased Western Sport in 2017 and turned his lifelong passion into his profession. He specializes in AR-15 and AR-10 platform rifles, manufactures Western Sport’s own AR-15 line under the Rankin Industries brand, and runs the shop’s in-house Cerakote coating operation. When he’s not behind the counter or the workbench, you’ll find him on his ranch deep into the night, hunting coyotes with an AR-15 and thermal optics. Lance holds an MBA and personally shoots and tests the products Western Sport sells.
