![]() After one or two hick ups getting the bolt to actually stay to the rear after the last round, it has worked pretty much as advertised.ġ. I fired it first with a dedicated 9mm buffer, then switched to a standard carbine buffer and the NFA buffer spacer. It is a very attractive combination, fits together well, as you would expect.Ģ. This upper is mated to an NFA 9mm lower, and a NFA 9mm BCG so the review covers how they work together.ġ. My rating has it as a 5, but only because there is not an option for 4.5. Waited until I had a few hundred rounds through the pistol build using this upper before writing a review. The New Frontier Armory Pistol Caliber Billet AR-9/45 "Slick Side" Upper with LRBHOis proudly MADE IN THE USAby hard working American men and women. It is designed for flush mounting rails and standard hand guards. ![]() **NOTE: Some rail systems that use anti-rotation tabs may need slight modification to fit this upper. Because of varying magazine specs, magazine specs changing over the life of the product, different thicknesses of the pad on the bolt catch and other variables, this adjustment may be necessary with your specific parts. They are set and function checked during assembly with brand new Glock magazines and our standard bolt catches. If it does not engage, or engages before the last round is fired you can make VERY SMALL adjustments by SLIGHTLY bending the "hook" end down to lock faster or up to lock slower. Once assembled the small "hook" end of the wire form in the upper should be pushed up by the follower of an empty Glock magazine which will engage the bolt catch on the last round fired to hold the bolt in the locked position.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |