Look at:
#1 Delta Stryker 1-6x24 (it has a nuclear bright dot and is made in Japan)
#2 Trijicon Credo® HX 1-6x24 Second Focal Plane (SFP) Riflescope w/ Red LED Dot, BDC Hunter Holds .223 SKU: CRHX624-C-2900020(this credo and this one/version only has a bright dot and is made in Japan, the same base scope as the Stryker)
#3 Steiner p4xi 1-4x24 (has a nuclear bright dot but has 2x less magnification)
#4 Vortex Viper PST gen II 1-6x24 (Has a nuclear bright dot but is chunky, made in the Philippines)
Those are all sub $1k options and are worth your money and will serve you well.
Search for deals, ask vendors on here and if they don't have it browse the net, they are out there for good sales.
Here's one-
Another from Camerland/Doug
Product Description | Camera Land NY
cameralandny.com
I believe Annex defense sells the Stryker on here and you might can get a good price, try there, darn fine shot on the internet also sells them and can be had for a good price. Also check out the used sections here and on ar15.com if your into buying used for well reviewed buyers. Good luck!