Low Profile Arca Mount? Spartan?

[SloppyJ]

I saw that spartan makes an adapter that goes from spartan to arca. If you use one of their gunsmith adapters that sits flush, you can have a detachable arca rail.

Wondering if anyone has ever used one and how steady they are? I've never used any of their products but for my use case it would be perfect.

I really like my manners LRH but I have a couple rifles that don't have a rail or a recessed area for one. Thinking about installing it at the balance point of the rifle in front of the front action screw. Only hesitation is I'm unsure how stable it is and the adapter is extremely small so there's not much room for adjustment on the tripod.

Arca to Spartan 12mm Converter

Now shooters that have already invested in a third party Arca-compatible ball or pan head can exploit the benefits of the Spartan magnetic rifle attachment system. Made from CNC machined 7075-T7531 aluminium with a durable hard-anodised finish, the Arca to Spartan Converter attaches quickly and...

javelinbipod.com

 

[83cj-7]

I have one and have used it fairly extensively. Is it as stable as a ARCA mounted on a stock? No, but it’s better than a pig or hog saddle which I used to use. The other disadvantage for me, is that the rifle is not affixed to the tripod so you can’t sling the rifle over your shoulder and leave the tripod attached while you move.
I will continue to use it in conjunction with the Spartan Classic Rifle adapter on rifles I don’t want to drill holes in.