Skip to content. Posted on February 5, by John Pierce. Bookmark the permalink. Search My Articles Search for:. Aero Precision is another great option that's relatively affordable, though a bit more expensive than the previously listed options.
To learn more about choosing a lower receiver and see all of our favorite picks, check out our guide on the best stripped lower receivers. Lower parts kits include all the springs, pins, and detents you need to build your lower receiver. Geissele Lower Parts Kit. For example, this Brownells MOE Kit includes absolutely everything you need to complete your lower receiver, including a pistol grip, stock, and buffer assembly. Personally, I prefer BCM's parts kit over the one above because it comes with a better pistol grip and slightly better trigger in my opinion.
With that said, I eventually end up swapping out the trigger anyway. Unlike the Brownells kit, however, BCM's does not come with a buffer assembly or stock.
If you want to choose specific parts for things like the pistol grip, stock, buffer assembly, and trigger then you may want to go with a more basic lower parts kit. Some of the above lower parts kits include good Mil-Spec triggers, but they're still Mil-Spec triggers.
Chances are you'll want to upgrade. The double stage trigger has a 2. I wouldn't overthink the pistol grip too much. If you buy either the BCM or Brownells lower parts kits above, you should be fine with the grips that come with them.
If you chose a more basic kit, check out our list of the best AR pistol grips. The buffer assembly includes the buffer tube, buffer spring, and buffer weight. This plays a big role in how your AR cycles and the recoil you'll feel.
These parts are included in the Brownells kit above and the BCM stock kit. The one note I will make is that you may want to experiment with different buffer weights. Most kits come with a carbine buffer, but you may want to try out a heavier H1, H2, or H3 buffers if you feel your rifle has too much recoil or is cycling "violently".
My personal favorite stock, however, is the MFT Minimalist. It's super lightweight at 5. You can compare more options in our guide to the best AR stocks. Bushmaster does the same shit,. The lower receiver is the item that will require an FFL to obtain. As noted, some merchants like to have an appropriately licensed dealer handle parts that might go into an actual machine gun or other National Firearms Act device, such as a short barreled rifle SBR.
Ok, good to know. Thanks for the info. So if I wanted to get the bushmaster varminter upper and swap between that and my M4 upper I could order that direct without an FFL and hot swap the 2 without any other mods? By signing up you agree to our User Agreement. Let's begin! While we do not sponsor or endorse the gross crimes committed by those cowards who prey on innocent civilians, we do believe as Americans, we have been granted a constitutional right to defend our families and ourselves.
Once you have secured your lower receiver and jig, all you need is a drill press or hand drill , drill bits and end mills. These packages provide an all-in-one convenience to build your own AR This would refer to the serialization designated to a finished lower by the manufacturer prior to its sale.
However, we suggest that the manufacturer at least identify the firearm with a serial number as a safeguard in the event that the firearm is lost or stolen. Also, the firearm should be identified as required in 27 CFR
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