![]() ![]() ![]() Many other manufactures blend of FDE isn’t too close and is easily noticeable. Just pick a bit slightly larger than your detent and you’re good to go.Īnother positive is that the FDE matches pretty close to Magpul’s components which look great. Since the lower is polymer it really isn’t an issue since it took me less than 5 min to run a small drill-bit through the holes to widen them up. I thought it may have just been the ones I received but I read this was fairly common. The only legitimate complaint I’ve had which isn’t a big one because it was an easy fix were the detent and spring holes being way too small for any mil spec detent to fit into. I’ve put 800 rounds through one of the lowers and banged it around a bit, held the mag-well against surfaces while firing to see if the pressure would flex a failure but no problems came up.įMK promotes a proprietary composite material which can withstand a beating and not get damaged as others would. I’m happy to say that for most of these questions there have been zero issues. How durable can it actually be and what kind of failures will I get from a lower that has the potential to flex? How long until I get a stress crack? How will it line up with my assorted uppers and will it take any work to fit parts? My initial concerns I’m sure are as most. Frame: High Impact Proprietary Composite Polymer.I soon found out that this AR1 lower has given me a new perspective on “polymer”. Regardless I decided to give the FMK AR lower a try because I was looking for an affordable lightweight lower to use on a 3-gun platform. I assume this is the reason I’ve never been a fan of polymer lowers. I grew up in Arizona so I know that anything used outdoors and is made of plastic will get destroyed from dry heat and a little abuse. This is a review of FMK’s 4.3oz Lightweight Polymer AR Lower “AR1 eXtreme” FMK’s AR1 eXtreme composite lower is surprisingly durable, lightweight, American made, and fits like a glove to any of my MILSPEC uppers. A fundamental part of intelligent behavior is planning. Planning is thinking about a goal and then organizing the activities to achieve the goal. With a plan, you can see how much you have progressed towards your goal and how far on your map to the next destination. ![]() No Shipments to any state or locality where restricted. Please add your FFL dealer contact info to the comment section on the order page, or we will contact you by email after ordering. – Bolt catch pin hole Drilled and Tapped 6-32Īlthough not generally restricted, you should refer questions regarding legal ownership in your state, NFA Regulations, and individual state regulations to the BATFE or your local authorities, or obtain legal guidance prior to purchasing.įFL Required! This raw lightweight AR-15 lower can only be shipped to a licensed FFL dealer. – Ltd lifetime warranty against manufacturer defects – Lightweight Lower Receiver Weight = 7.97 oz – Machined (not broached) Mag Well with wide flare – Integral trigger guard for added overall strength – LW (LightWeight) side faces and Mag Well – Pictogram Fire/Safe engravings on both sides – CNC machined from 6061-T6 billet aluminum – Mil-spec dimensions to mate with any AR15 Components This product requires shipment to an FFL dealer. We now offer our classic 80% Lowers in a 100% complete stripped LightWeight AR 15 Lower Receiver. Shipping Status: per Bolt Catch Pin Option above ![]()
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