Extras and spare/replacement parts for the Scorpion MK5 FT hook system.
Maestro Design’s Scorpion is a fully modular sytem and most parts can be replaced or parts added if needed. All the available parts are listed here. If you have an old design MK4 Scorpion then start searching spare parts here. Nevertheless, most of the the MK5 parts are compatible with the old system as follows:
Fully compatible with MK4:
Butt Pad Kit (adds two pads to the centre post)
Middle Extension Kit (adds 10-20-30 mm to the centre post)
Offset Plates (0-25mm or 10-50mm) to add an offset tot he whole hook
Does work with MK4, but looks a bit different or certain features are limited:
Wing Base, Standard
Wing Base, Extended (adds 25mm to the upper wing, recommended for Butt Pad Kit)
Extra Link 44mm
Wing, Standard
Wing, Extended HFT 2.25″
FolloWing Articulated Wing
T-Rail Limiters (with a 3-way limiter on both ends) 130mm or 150mm
if you want to use your hook on another rifle, don’t forget to order a base plate, too!
NOT compatible with MK4:
Long Hook, Stainless 152mm
Long Hook, Nylon 137 mm
Short Hook, Nylon 97 mm
HFT 2.25″ Hook, Nylon 57 mm
Some parts are suitable for both right and left handed hooks. but some parts have R/H and L/H versions, please double check that you have selected the appropriate one.
These parts can be bought separately, so you can buy a basic hook and then get the needed extras later, when you already know from practice what you need exactly.
Fully compatible with MK4:
Butt Pad Kit (adds two pads to the centre post)
Middle Extension Kit (adds 10-20-30 mm to the centre post)
Offset Plates (0-25mm or 10-50mm) to add an offset tot he whole hook
Does work with MK4, but looks a bit different or certain features are limited:
Wing Base, Standard
Wing Base, Extended (adds 25mm to the upper wing, recommended for Butt Pad Kit)
Extra Link 44mm
Wing, Standard
Wing, Extended HFT 2.25″
FolloWing Articulated Wing
T-Rail Limiters (with a 3-way limiter on both ends) 130mm or 150mm
if you want to use your hook on another rifle, don’t forget to order a base plate, too!
NOT compatible with MK4:
Long Hook, Stainless 152mm
Long Hook, Nylon 137 mm
Short Hook, Nylon 97 mm
HFT 2.25″ Hook, Nylon 57 mm
Additional information
Weight
360 g
Dimensions
200 × 46 × 245 mm
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Fully adjustable Field Target hook, with much more versatility than the usual Gemini clones. Everything can be adjusted even in the shooting position, without disassembling the hook. Modular system that can be upgraded later if needed. Massive construction, without any flex and slip, a lightweight and versatile alternative to the traditional metal hooks.
I added a lot of improvements to my professional FT hook design, creating the MK5 (2023) version that will replace the discontinued MK4 (2016-2022) version. Some parts are backwards compatible with the MK4 so the two systems can be combined if you don’t mind some visual differences but I’d suggest not to mix the two systems.
Features on the new MK5 design (see detailed listing with photos and dimensions at the bottom of the web page):
Engraved marks for all adjustments – now you can record and reproduce your settings any time
New 152mm stainless steel hook, 137mm and 97mm Nylon FT-hooks
HFT-compatible 2.25” (57mm) Nylon hook
Extended upper wing base option, for better integration with the Butt Pad Kit or to add half a link length to the upper wing
Slim hook holder links – don’t protrude that much as the old design
Rounded link elements – gives a smoother fit when the links are twisted
Replacement elements for the FWB P70 Alutec stock, giving new features to the rifle:
Fully adjustable offset grip
Elevating the rear part by 50 mm
Saving 250 g weight
Also the original grip can be used (but without the offset feature). The parts are made of laser sintered Nylon, lightweight but very strong, I personally have tested this kit on my rifle. The new design elevates the cheek piece part so it fits better to high FT scopes. The grip is fully adjustable, and the offset can be set between 7.5 and 22.5 mm.
Right handed, used but in “as new” condition, with some very small usage marks. Can be bought with a ball grip and/or with a grey anatomic grip.
In order to use this kit, you have to cut your original stock, and drill 3 new holes onto it, I’ll attach the technical drawings of all these modifications of course.
I can offer a full FWB collection, please contact me for a discounted price if you are interested in the following products together:
Rowan Engineering’s industry standard forend mechanism with full range of the original adapters with an optional Gripster palm shelf, also allowing to connect the JOPA folding bipod (to the 6 or 7 indents versions).
Please allow a couple of days for dispatch this order.
If you are after a smaller and lighter mechanism but with some extra comfort, check out our Gearbox Winding Forend.
The FWB Anti-POI-Shift Kit stands of two laser sintered Nylon parts, they look the same but they’re a bit different inside:
One of them replaces the original A-clamp and holds only the cylinder and protects the barrel from accidental kicks but lets it free float.
The other one goes to the joint of the air cylinder and the reg. It can be fixed onto the barrel by two symmetrical grub screws that push small Nylon parts to the barrel and thus don’t scratch its surface.
With stainless steel screws, all secured against falling out. Easy mounting (you’ll have to drill only a 5 mm hole).
Magnifier for the parallax wheel, fully adjustable, with a lightweight and unbreakable Fresnel lens. Visible lens size 12.5×38.5 mm. Fits to all major scopes, can be folded up for safe carrying.
Please understand that it can happen that you’ll need a stronger or weaker lens (depends on your eyesight), the frame can hold any flat lens up to 0.8 mm thickness or an acrylic lens that is cut to the right shape.
If you have got a rubber ‘scope enhancer’, you can choose the special ‘Enhancer’ version that is a flexible half cylinder and can be mounted on the rubber enhancer by two massive cable ties.
New updated ring design: The same function but a much wider adjustment range (40-47mm) and a better looking ring, ocular tube protection, bolt/nut secured against falling out.
£34.99–£39.99Price range: £34.99 through £39.99Select options
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