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308 polymer lowers


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I've used a 80% poly lower for a .308 and had no problems yet but its only got about 600 rounds on it.  We'll see how it goes.  The brass buffer tube insert seems like a good idea even if it adds a little weight. The polymer80 that I have was difficult to get the buffer tube into without crossthreading.

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6 hours ago, dcmacharlie said:

Was looking at lowers the other day and ran across Tennessee arms they advertise a 308 complete lower with brass insert for the buffer tube anyone try these out, light, lifetime guarantee, have friends that use the 223 polymer from NFA and real happy with it  also lifetime guarantee 

Gotta use the search feature. Wealth of info here.

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