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Finishing a stripped .308 lower means chasing down a laundry list of tiny springs, detents, and pins, and losing any one of them can stall a whole build. This Luth-AR AR-308 kit takes that headache off your bench by packing the full parts set into a single box, complete with the fire control group, controls, and an A2 pistol grip. It's built for the DPMS Gen 1 / LR-308 pattern and works with most AR-10 style builds, which covers the majority of .308 lowers out there.
Inside you'll find the trigger, hammer, disconnector, and their springs, plus the selector/safety, bolt catch and its screw, magazine catch and button, trigger guard, buffer retainer, and every takedown detent and spring the receiver calls for. Luth-AR sizes the bolt catch and its hardware specifically for the .308 receiver, so it isn't the same generic AR-15 catch you'll find in cheaper kits. The A2 grip and grip screw round it out, meaning you can drop everything straight in without a separate grip order.
Luth-AR is an American company that machines and investment casts its parts to Mil-Spec drawings, materials, and heat treat, with no metal injection molded pieces in the mix. The springs are a combination of 17-4 stainless steel and Mil-Spec steel wire, made to spec with certification behind them. That matters in a lower, where worn or soft springs are usually the first thing to cause trouble down the road.
Feedback from people who've run these has been positive, with builds coming together cleanly and triggers breaking around a consistent pull weight you'd expect from a quality Mil-Spec set. Pair it with a stripped .308 lower and you've got the guts of a rifle ready to assemble in an afternoon.
This kit is built around the DPMS Gen 1 / LR-308 pattern and works with most AR-10 style .308 builds. The .308 platform isn't fully standardized the way the AR-15 is, so it's always worth confirming your receiver follows the DPMS pattern before ordering. If your lower is a DPMS-pattern receiver, these parts drop right in.
No. Luth-AR includes a bolt catch and screw sized specifically for the .308 receiver, which is one of the spots where cheaper kits sometimes substitute an AR-15 part that won't hold the bolt open correctly. Having the correct 308-pattern catch is one of the reasons this complete kit is a cleaner choice for a .308 build.
Yes. This is the complete version, so it comes with the full fire control group (trigger, hammer, disconnector, and springs) along with an A2 pistol grip, grip screw, and lock washer. It's a true single-box solution, unlike the Builder version which leaves out the fire control group and grip.
Luth-AR machines and investment casts its parts to Mil-Spec drawings and heat treat with no MIM components, and the springs use 17-4 stainless and Mil-Spec steel wire made to certified spec. Springs and small internals are usually the first parts to fail in a lower, so starting with quality pieces saves you troubleshooting later. It's American made and priced fairly for the level of quality.
| UPC | 812058030089 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | LRPK-308 |
| Caliber/Gauge | 308 Cal |
| Product Type | Lower Parts Kit |
| Model |
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