The Pro Quad Rail, like the SPEAR, is designed for use with our matching Billet Upper Receiver as well as the majority of mil-spec AR-15 uppers on the market. Barrel nut inside diameter: 1.02” (compatible with barrels up to 1” diameter)įrequently Asked Questions: Will this fit my AR-15?.Finish: Hard-coat anodized (matte black).The Pro Quad Rail will work with your build! Use the appropriate length rail for your gas system: Scalloped rails and clean lines for a unique look that flows into the AT3 Billet Upperįull kit – includes handguard with all mounting hardware, barrel nut, and barrel nut wrench.Vented rails on all 4 sides reduce weight and help dissipate heat from shooting.Durable matte-black anodized finish resists scratches and provides an attractive surface that matches the rest of your build.Check out our video below for a guide on the complete installation. Once you’ve got it installed, you’ll have plenty of room for any Picatinny rail accessories like lights, foregrips, lasers, or bipods.Perfect for assembling a new build or upgrading an existing rifle – it’s compatible with most mil-spec upper receivers on the market.Installs easily, just like our SPEAR M-LOK rail – you’ll only need a few simple tools to get the rail installed.Handguard uses screws to clamp around the barrel nut, with anti-rotation tabs and anti-slip screws that ensure a rock-solid lockup.Picatinny top rail perfectly aligns with AR-15 flat-top upper receivers, both forged and our AT3 Billet Upper.Durable 6061 aircraft aluminum alloy construction – designed to take a beating.5 Integrated non-rotating QD Sockets for a variety of sling configurations.This rail is lightened down all four sides of Picatinny Rail, making it lightweight while still remaining solid for all your favorite accessories.If you’re planning a build without a Front Sight Base, make sure you pick up a Low Profile Gas Block with the handguard.
The Pro Series Rail comes in 7″, 9″, 12.5″, and 15″ inch lengths, making it ideal for upgrading existing guns or starting fresh with specialized AR15 builds. It uses the same simple installation as our SPEAR M-LOK handguard, has plenty of lightening for maximum comfort, and it works with Mil-spec uppers, as well as our Billet Upper to match the sleek contours. That’s what we offer with the AT3 Pro Quad Rail. The quad rail is still the gold standard of secure accessory mounting, but they’re in desperate need of a reboot.
Whether performing the modifications yourself or relying on someone else to do it, the Colt LE6920 OEM2 represents one of the best places to start when you want an AR15 personalized to fit your unique style.The New and Improved Pro Quad Rail – Lightweight, Rigid, and Easier to Install From free-floating handguards and buttstocks to trigger guards, magazines, and iron or optic sight systems, what your Colt LE6920 OEM2 looks like when you're finished is entirely up to you.Īdditionally, The Colt LE6920 OEM2 provides a better solution for many gunsmiths and dealers, allowing them to customize the Colt LE6920 to some of their customer's specifications at a better price. It's up to you to decide what you want to install, and with the Colt LE6920 OEM2, you now have your chance to select what works the best for you. This is where your customization journey begins. The LE6920 OEM 2 is unique because everything else has been entirely omitted. The upper and lower receiver of the LE6920 OEM 2 features an installed sixteen-inch barrel, a fully functional bolt carrier group, an ejection port, a gas tube, and a pistol grip. This Colt LE6920 OEM 2 AR15 rifle is what many consumers look for when they want to modify an existing gun to suit their preferences.īased on the proven performance of the Colt M4, the Colt LE6920 OEM 2 does have a low-profile gas block but no handguard retaining ring to give you the choice of free-float handguards. There are, however, many enthusiasts squarely in the middle of both trains of thought who prefer a no-compromise solution that allows them to perform their own customization of the rifle without needing to build it. Most AR15 budget-builders enjoy creating the rifle from the ground up, while others want to purchase a fully assembled and ready-to-fire rifle.