No, but you can if you want to. We would suggest you try running it with and without and determine which you like better.
Yes! We offer left handed versions for both the UPR15 and the UPR10. We don’t have a mark up…just because you use the wrong hand!! Cost is the same 😉
For the UPR-10 it will fit any Gen1 DPMS pattern lower, the fit however will vary from maker to maker. We use Aero Precision or DPMS lowers for our rifles. The DPMS offers the best fit as far as looks go. As for the UPR-15 any Mil-Spec lower receiver will work, again fit and function will vary from receiver to receiver. We try very hard to keep all of our parts as close to the same as possible but we obviously have no control over the tolerances held by other manufacturers.
We no longer sell upper receiver sets. We only sell complete uppers or rifles.
No, they are not. Although our barrels attach like an AR barrel, they are not AR barrels. There is no gas hole and we use a Proprietary Barrel Extension nut with our uppers to accommodate our 3 lug bolt.
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