I have all the drilling/tapping stuff in a small zip baggie in my armorer toolkit, as well as the set screws, so everything stays in one place. 6-32 is more commonly stocked in local hardware stores (4-40 can be hard to find sometimes, ACE Hardware being one of those instances), the threads are more coarse (hold a little better in aluminum receivers), and it's a larger allen wrench than the 4-40 (that damn thing uses a 0.050" allen). On mine, I choose to use a 6-32 set screw setup, for a couple reasons. Many AR receivers are tapped/threaded already, setup for a 4-40 set screw, right out of the box. In the past, I've mentioned doing a set-screw mod to all these rifles, no matter where the takedown detent is held in from (rear or bottom). On the DPMS LR-308, the detent and spring goes in from the bottom, just like the safety detent and spring. Either under the fixed stock, or under the retaining plate on a collapsible stock setup. On the AR-15s, the detent and spring are at the back of the lower receiver. Like I stated earlier, it's a direct swap once you gain access to your detent and spring. They're individually packaged and marked for application. Installation is as easy as gaining access to your takedown detent and spring (the process varies with different rifle types), and it's a direct swap with the standard pin.Īs delivered, I got a full set of what is manufactured, all three, like stated above. The machining is excellent, and they work very well. These are machined from 12L14 steel, black oxide coated, and they're made by our very own dcannon003, right here from this board. I've tested the DPMS and AR variants, but not the RRA variant yet. I've recently been given the opportunity to test out some extended takedown pins for various rifle configurations: DPMS LR-308, AR-15, and RRA LAR-8 are what's being offered.
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