![]() ![]() There is a small dimple on the other side of the pin head, the tip of bullets (up to 9mm) can be used to push the pins in on tight fitting receivers. Serrations or dimples on the right pin head would be useless, so they're completely plain. Anyone have a solution to this THANKS This isn't my first AR build, but my first using blemished parts. To take it out, I have to hit a hammer against a punch. I literally have to use a hammer to get the rear take down pin in place. I have to use a plastic dummy bullet and rotate my upper some as I push hard. 35 Location:Aurora, IL Posted JanuHey, I used a PSA blemished lower and upper, and it just isn't right. PF-040 right side pin heads (when installed on a receiver, with the muzzle pointing away) are flat, with a small 45 degree chamfer. Id call Armalite before I took a hammer to it but mine is pretty tight as well. PF-040 has the same elegant and unadorned pin heads design that is in line with our design philosophy which prioritizes functionality over aesthetics. When PF-040 pins are pushed in from the left side, the +0.040 transforms to extra length and grasping area on the right side pin head, which combined with their silky smoothness, makes pulling the pin a cinch. The only saving grace is that it's a very accurate. I would rather have a new build start out too tight, than be loose & sloppy. ![]() Even today without a nylon hammer and a punch getting the pins out is a chore. The pivot/takedown pins are very hard to get in and even harder to get out (need to hammer and/or pry them). Front pivot pin lines up just fine, but rear takedown pin holes are not mating properly between the upper and lower. PF-040 pins can be aptly described as "reverse extended", in that they're longer on the left side of the receiver, the additional length of the take down pin doesn't interfere with ambidextrous safety operation. I had to fit the take down pins, and both upper lugs to be able to be able to put the upper and lower together. If you use pin dis-assembly tools, the KVP pins are dimpled on each end to help positively locate punches, bullet tips, or the assembly tool provided. ![]() Machined from 17-4 PH SS bar stock and QPQ finished, these pins are 0.040 longer than TDP spec pivot and take down pins. If your takedown pin feels too tight, you may have not removed enough coils from the takedown pin spring (take care not to trim it flush or below with your lower receiver).PF-040 (Pins, Forward Controls, 0.040) is a set of elegantly simple, and superbly crafted AR15/M16 pivot and take down pins. Tighten the screw until it is completely flush with the lower receiver. From there all you need to do is trim the takedown pin spring just above flush with your lower receiver using wire cutters and install the 4-40 set screw using your. To do this install you will need 2 tools:įirst, you will want to set your takedown pin into your lower receiver as you normally would, then drop the detent, and detent spring into their channel ensuring the detent is engaged with the channel in the takedown pin. The Juliet 4 is a fixed 4x power magnifier that attaches to the rear of the Romeo 7 via a quick-detach mount. *Note: The installation of the takedown pin on an M5 Lower Receiver varies from the AR15, M4E1, and EPC. Trending: Best Ammo In Stock, Best AR-15. Installing your takedown pin this way can help streamline the assembly process and any future modification or maintenance. If you have purchased a lower receiver from Aero Precision (M5*, EPC, AR15 Gen II or M4E1), you have the option to install your takedown pin using the 4-40 set screw that is found in any Aero Precision lower parts kit. ![]()
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