From the best manufacturers of 80% lower receivers and jigs, MSR Arms is proud to bring you some of the highest quality and truly unique designs to complete you AR-9, AR-15 or AR-10 / .308AR build. Please feel free to contact our customer support staff with your questions about these products at sales@msrarms.com.
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The JT-15 Lower Receiver in 80% completed form. The JT-15 is precision CNC-machined from solid aerospace billet aluminum. It is not a cheap forging. This is a top-tier AR-15 lower receiver perfect for any high quality AR-15 build.
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This jig can used on both FORGED and BILLET AR-15 80% lower receivers using the new indexing technique which utilizes the buffer tube mount to center the receiver (not the sides). This easy-to-use jig kit comes with almost everything you need to finish your Juggernaut Tactical AR-15 80% Lower Receiver. The only item not included it a drill press or mill.