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Posted: 5/3/2019 12:28:57 PM EDT
Looking to build an AR pistol, can't figure out who to ask of what the legal procedure is to measure OAL, such as do muzzle devices count (suppressor, flash hider, et).

Any ideas?
Link Posted: 5/3/2019 1:14:33 PM EDT
[#1]
Link Posted: 5/3/2019 2:39:57 PM EDT
[#2]
So would a 10.5" kit from PSA be considered a pistol in MN, or do I need shorter?
Link Posted: 5/3/2019 3:30:02 PM EDT
[#3]
My understanding is OAL is 26 inches.  For everything.  But I am not a lawyer or someone with vast knowledge of the laws.  Best to do your own research.
Link Posted: 5/3/2019 3:42:28 PM EDT
[#4]
If your barrel is <16" (or <18" in the case of shotgun), OAL doesn't matter. Per multiple discussions with people in all sorts of departments, all indications are that barrel length is measured using the same method that ATF uses (from the end of the bore to the bolt face), however MN statute doesn't provide any direction on measurement technique.

https://www.revisor.mn.gov/statutes/cite/624.712

Subd. 2.Pistol. "Pistol" includes a weapon designed to be fired by the use of a single hand and with an overall length less than 26 inches, or having a barrel or barrels of a length less than 18 inches in the case of a shotgun or having a barrel of a length less than 16 inches in the case of a rifle (1) from which may be fired or ejected one or more solid projectiles by means of a cartridge or shell or by the action of an explosive or the igniting of flammable or explosive substances; or (2) for which the propelling force is a spring, elastic band, carbon dioxide, air or other gas, or vapor.

"Pistol" does not include a device firing or ejecting a shot measuring .18 of an inch, or less, in diameter and commonly known as a "BB gun," a scuba gun, a stud gun or nail gun used in the construction industry or children's pop guns or toys.
View Quote
ETA: Per ATF muzzle devices only count if they are permanently attached (via pin/weld).
Link Posted: 5/3/2019 4:42:01 PM EDT
[#5]
Link Posted: 5/7/2019 2:24:15 AM EDT
[#6]
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