Description
If you already have your lower receiver milled and ready, finish off your entire lower assembly in one fell swoop with this bundle. You get a standard lower parts kit made by the great people at CMMG and a buffer tube assembly and stock kit. Now onto your upper assembly...
Clear Bag
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Yellow Bag
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Red Bag
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Blue Bag
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Green Bag
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Bag-less
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Butt Stock Kit
This butt stock kit includes both an adjustable carbine stock and buffer tube assembly. The classic adjustable carbine stock is contructed from a durable polymer composit and is designed for quick adjustment. Additionaly, this carbine butt stock offers three different sling attachment options.
Buffer Tube Assembly
The PSA buffer tube assembly provides a mil-spec diameter 7075 buffer tube, lock ring & castle nut, latch plate, buffer housing and buffer spring. Purchase this butt stock assembly today for your next 80% lower receiver build.


Shipping Restrictions
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.