Above: the shirt is carbine buffer, so the underside is gun buffer tube kit. However, you guys are speaking to this inventory and tube concerning carbine vs. gun use too, and I am perplexed by that.
#milspecbuffertube #arbuffertube #buffertubekit #mckmicroconversionkit
web: https://mcsgearup.com/trinity-force-mil-spec-receiver-extension-kit/