Heads and saddles / Spartan Precision
Spartan Precision Classic Arca Adapter
Arca rail or adapter · 2.9 oz · $70
Arca-Swiss
A dovetail rail and clamp standard for tripod heads. A rail or plate on the rifle slides into an Arca clamp on the head and locks with a knob or lever, so the rifle goes on and off the tripod in seconds.
- A Clamps an Arca-style rail on the rifle
- B Adjustable width, 37 to 41 mm
Check price
Affiliate links (Amazon, eBay): we may earn a commission. Prices change; the retailer's page is the current one.
Tripods Spartan Precision names
Specs
| Type | |
|---|---|
| Type Arca-Swiss A dovetail rail and clamp standard for tripod heads. A rail or plate on the rifle slides into an Arca clamp on the head and locks with a knob or lever, so the rifle goes on and off the tripod in seconds. | Arca rail or adapter |
| Mounts to | |
| Base 3/8-16 and 1/4-20 threads The two screw sizes tripods use. 3/8-16 (3/8 inch, 16 threads per inch) holds heads on shooting tripods; 1/4-20 is the smaller camera thread, used for accessories and light gear. | Spartan MagnaSwitch connection: Javelin and SpringBok bipods, Ascent, Hoplite and Sentinel tripods, SpringBok Quad Sticks, Davros heads |
| Base is an Arca dovetail Arca-Swiss A dovetail rail and clamp standard for tripod heads. A rail or plate on the rifle slides into an Arca clamp on the head and locks with a knob or lever, so the rifle goes on and off the tripod in seconds. | No |
| Holds | |
| Top | Clamps the Arca-style rail on the rifle; adjustable width 1.5 to 1.6 in (37 to 41 mm) |
| Fits on the rifle | Arca rail |
| Jaw opening Rifle saddle A clamp with padded jaws that closes on the rifle's forend or stock, so a rifle with no rail can sit on a tripod. The jaw opening, not always published, decides which stocks fit. | 1.5 in (37 mm) to 1.6 in (41 mm) |
| Size and weight | |
| Length | Not published |
| Weight | 0.2 lb (0.08 kg)2.9 oz / 82 g |
| Buying | |
| Material | Not published |
| Made in | Not published |
| Warranty Warranty How long the maker promises to repair or replace a faulty unit. Check whether it needs registration and whether it passes to a second owner. | Not published |
| Maker part number | SP02-025-R |
| US price US price The price we found for the unit in the US, with where it came from and when. Prices change often, so treat it as a snapshot. | $70Spartan Precision store (javelinbipod.com) |
The reverse of most rails here: it goes on a rifle that already has an Arca rail and gives it Spartan’s magnetic attachment. Not for the Blaser Carbon bipod.
Source: Spartan Precision product page.
Added October 12, 2026 · Specs last checked October 12, 2026