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Product is great quality, and it shipped pretty quickly. I’ve normally had a good experience with Optics Planet so that’s why I went with them after the Receiver Kit was assumed in-stock, which at the moment is a big obstacle for most people trying ...
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I've used these for two builds so far, they work as-advertised. I prefer to buy the extension tube, spring, and buffer together for basic builds so I don't need to do the leg work or forum research to find an optimal combinations for a given rifle (y...
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I needed a receiver extension for my current AR-15 build. I have had great success using CMMG receivers so I decided to try their receiver extension to mount my Magpul CTR adjustable stock. The mil-spec extension kit was a perfect fit to the receiv...
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