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Optics & Sights

Optics & Sights

Battle-ready optics and sights for your AR-type rifle, pistol, or handgun.

The sights you look through are just as important as the rounds you're sending downrange. After all, you won't get MOA groupings (or even hit paper) without a good red dot, scope, or at least some back-up irons. We've partnered with top makers like Sig Sauer, Magpul, and Holosun to afford a quality selection of compact, shock-proof, weatherproof, do-it-all red dots and reflex sights.

Quality AR Optics From Sig Sauer and Holosun

We chose these two optics makers for their ability to product compact, hyper-accurate red dots that can take a beating in all weather and conditions. The Romeo MSR from Sig Sauer affords shooters with an ultra-compact red dot sight that provides unlimited eye relief and zero parallax error. Twelve brightness settings are available - 10 for daytime and 2 for night vision. Over 20,000 hours of battery life is provided on a single CR1632. It's all topped off by an aircraft-grade aluminum housing that sports an IPX-7 waterproof rating.

Want unlimited red dot life? Grab the Holosun 2-MOA Solar Red Dot instead. It provides similar performance and features while also providing solar-powered operation if your battery ever dies. Included is a "Smart" brightness setting that can adjust automatically to your shooting conditions via the shock- and waterproof solar panel atop the optic's housing. It, too, features full waterproofing (IP67) with a one-piece aluminum housing and a precision optic ran by a single battery with up to 50,000 hours of performance, no solar required.

Quality Handgun Micro Red Dots

Want to trick out your completed, custom 80% 1911 or 80% GLOCK-compatible pistol? We've got you covered in the optics department here, too. We partnered with Sig and Holosun to bring you their lines of handgun red dots and sights, providing the same level of battle-rifle performance and power in units that barely take up any space on your slide. Check out the Sig Romeo1 PRO or the solar- and battery-operated Holosun X2 for your pistol.

Compact, Tough Backup Iron Sights

No AR's finished until you've got a set of reliable, no-batteries-needed backup iron sights (BUIS). We've collected some of the best and most affordable BUIS units from Magpul, and rugged mini flip-up sights, made from mil-spec aluminum alloy with a hardcoat anodized finish. These back-up irons will easily interface with your choice of red dot or optic, providing a simple "just-in-case" solution for sending shot groups downrange accurately.


DISCLAIMER: “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither 80 Percent Lowers, a/k/a Tactical Gear Heads, LLC nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.

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We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.