MattFinals718
Active Member
As I've mentioned in previous topics: I'm getting ready to move to MD next month. One of my retro AR-15 uppers is an old Olympic Arms XM177-style upper, which used to be sold by OlyArms as the "K3B CAR." It comes with an 11.5" barrel with permanently attached 5.5" flash suppressor. Pics of the upper on my Colt 6920 lower (fitted with a Brownell's replica N1 CAR stock) are attached. The barrel profile under the handguards is certainly thicker than Gov - it doesn't seem to taper at all from the barrel nut to the gas block/FSP area.
Question is - does this upper meet the standard for MD "HBAR exempt" compliance so that I can run it on any of my AR lowers? My repeated scourings of this forum have indicated that being advertised by the OEM as "heavy" is sufficient to be compliant. Olympic Arms is now out of business and their web site is no longer active, but thanks to the Wayback Machine, I found Olympic Arms' 2005 catalog on an archived version of their web site (also attached), and I see that on Page 13, they describe the K3B CAR model as featuring a "heavy barrel." (This same description can also be found on archived sites for some retailers that used to sell this gun.)
Interested in thoughts: Am I good to go, or should I sell this URG?
Question is - does this upper meet the standard for MD "HBAR exempt" compliance so that I can run it on any of my AR lowers? My repeated scourings of this forum have indicated that being advertised by the OEM as "heavy" is sufficient to be compliant. Olympic Arms is now out of business and their web site is no longer active, but thanks to the Wayback Machine, I found Olympic Arms' 2005 catalog on an archived version of their web site (also attached), and I see that on Page 13, they describe the K3B CAR model as featuring a "heavy barrel." (This same description can also be found on archived sites for some retailers that used to sell this gun.)
Interested in thoughts: Am I good to go, or should I sell this URG?
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