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I bought one of the TVNC specials this morning, and have a G24 Wilcox mount. Which mounting arms will work and which should I get?
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Glad to hear you got in on these! We had quite a few queued up and they went pretty quick!
The "standard" PVS-14 mounting interface is what is known as the "bayonet" or "horn" interface, and your TNV/PVS-14 will come with a USGI J-Arm that is compatible with the USGI bayonet-type mount, like the standard "Rhino" and RHNO II mounts issued to the most conventional military forces.
The G24 uses a "dovetail" or "spade" interface originally designed by Litton for the AN/PVS-7A, and which has become the general standard for ground binocular systems like the AN/PVS-15 and AN/PVS-31 BNVD, and is more or less standard with most USSOCOM ground forces. In order to use a PVS-14 with the G24 or any other dovetail mount, you will need a dovetail adapter for your PVS-14 to interface with the G24 mounting bracket.
As others have mentioned, there are a few dovetail-compatible arms available out there, however the "normal" recommended options are the Wilcox Industries PVS-14 Arms--they have two versions, a straight arm version, which will give you more eye relief to see under and around the PVS-14, as well as providing more standoff for eye protection and other equipment, this is my personally preferred arm.
However, some users feel that the straight arm locates the PVS-14
too far from their eye--Wilcox also has another variant of the PVS-14 Arm with an ON/OFF switch and a "dogleg" similar to the USGI J-Arm, and which places the PVS-14 in a comparable position closer to the user's eye.
Caveat on the ON/OFF Arm--this particular function can be notoriously unreliable, and it is relatively common practice for people to buy the ON/OFF arm simply for the mounting geometry, and to cut the hanging ON/OFF dongle off to prevent having an unnecessary and unreliable potential snag hazard dangling around.
The Noisefighters PVS-14 arms that others have mentioned will place the PVS-14 in a similar location to the Wilcox straight arm.
~Augee