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AR-15 Frequently asked Questions
AR 15 80 Percent Lower Frequently Asked Questions
What is an AR 15 80% Lower Receiver?
An 80% lower receiver is a piece of material (Aluminum) which has been partially completed to a certain point. With readily available tooling from local hardware store and the right techniques, the lower can be transformed into a working firearm.
Is a FFL required to/build a firearm for personal use?
No. You are building the firearm for yourself for your own personal use which is legal under the Gun Control Act of 1968. This is on the ATF’s website under their FAQ page. You can see it here https://www.atf.gov/firearms/faq/firearms-technology.html .
It is not required to be transferred through a Federal Firearms License Dealer with all the federal paperwork like its finished counterpart, the completely finished lower receiver. These factors make for easy purchasing for home gunsmiths and hobbyists for personal use.
As long as the following laws are met there are no problems:
- You can legally own the firearm in question in the state in which you live
- You are building the firearm for your personal use and for yourself only.
It is a good idea to mark your firearm somehow so that should it ever be lost or stolen you have a way to identify it and report its loss to your local law enforcement. Please check your local and state laws.
What tools are required or recommended to finish my lower receiver?
Transforming an 80% lower receiver into a finished lower receiver can be accomplished using a variety of readily available tooling and proper techniques. The most popular methods involve using a manual hand-held type electric drill or a drill press. In fact, most of our customers already own one or more manual electric drills that are perfectly suited for the task. Regardless, once you have chosen the type of drill you wish to use, you will also need a 80% lower jig set which we stock for your convenience. The jig helps ensure that the 80% lower is properly machined and that high tolerances are initiated and maintained.
Please refer to our tools list below for as an easy reference…
- Daytona Tactical Lower Receiver Jig
- 80% Lower
- Drill Press (minimum requirements) more is better
- SAFETY GLASSES
- Drills & End mills
- 1/2″ END MILL
- (D) 5/32 Drill
- (E) 3/8 Drill
- (F) 3/8 END MILL
- (G) 5/16 END MILL
- (I) 5/8 DRILL
- (J) 5/16 LONG END MILL
- 3/16 Allen Hex Wrench
- Cutting Fluid (WD-40)
Does the 80% lower receiver include instructions?
No, but with a simple search on the internet there are various sites with instruction to complete your 80% lower receiver.
Does the AR 15 Jig you sell have instructions to finish my lower receiver?
Yes. You will find that we include complete, comprehensive instructions with our jigs that cover virtually every aspect of using the jig to finish your lower receiver.
What can the 80% AR 15 lower receiver be used for?
It is a great starting point for many firearm calibers including, but are not limited to:
- 6.8 SPC
- 6.5 Grendel
- .50 Beowulf
- .45 ACP