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Thread: Spuhr Ideal Chassis System - SICS

  1. #21

  2. #22
    Industry Member North_Sylva's Avatar
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    SICS™ Feature 3 - The Folding Stock Frame

    The SICS™ Folding Stock Frame is machined from a single billet of 7075 T651 aluminum alloy, just like the SICS™ chassis body, and is designed to provide a rigid but lightweight folding stock.

    The Folding Stock Frame attaches to the Chassis Body through a hinge with an M8 Hinge Bolt with brass bushings. From the factory, the hinge is adjusted for a smooth and silent movement without any unnecessary play. If the user wants to adjust the movement this can be easily done using a 1/2” socket wrench.

    In the folded position, a stud on the Folding Stock Frame locks into the side of the Chassis Body while the Folding Stock Frame prevents the bolt handle from moving.

    Locking the Folding Stock Frame to the Chassis Body in the extended position is a push-button steel latch that locks solidly into an adjustable steel lock plate in the Chassis Body. This allows the user to easily adjust the lockup over the lifespan of the chassis, regardless of how much use or abuse you subject it to.

    The Folding Stock Frame features an adjustable rubberized cheek piece. The height of the cheek piece can be adjusted by turning the wing nut on the left side of the Folding Stock Frame, while moving the cheek piece up or down. The wing nut’s rotation can also be adjusted while pulling on it, without impeding the lockup of the cheek piece. A spring-loaded detent prevents the cheek piece from accidentally being slid out of it’s dovetail track. By loosening three Torx 20 screws, the cheek piece can be adjusted forward or to the rear, and spare screws can be stored in the stem of the cheek piece slide.

    The Folding Stock Frame also features a bag rider, into the bottom of which there is a row of Spuhr Interfaces™, so that accessories such as Picatinny rails for butt spikes, etc., can be attached. We have also machined holes through the sides of the bag rider so that bags can be tied to the bag rider with a piece of paracord, etc.

    Among the various accessories we will offer for the SICS™ is a side adjustable cheek piece and a height adjustable bag rider.


  3. #23
    CGN Regular
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    Quote Originally Posted by btabin View Post
    I agree, but to be fair MDT chassis are 6061-T6 while these are 7075-T651.
    Is that a 1000$ bit tho?

  4. #24
    Super GunNutz Mik123's Avatar
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    Quote Originally Posted by avocado View Post
    Is that a 1000$ bit tho?
    Agreed. Bit late to the game and quiet a bit more expensive.

  5. #25
    CGN Ultra frequent flyer Johnyy's Avatar
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    Perfect for the Axis!

  6. #26
    Industry Member North_Sylva's Avatar
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    SICS™ Feature 4 - The LOP Adjustment and Butt Plate Assembly

    If we were to narrow down the SICS™ to a single feature that sets it apart from other chassis on the market it would be our patented quick-adjustable Length-of-Pull (LOP). By pulling to the rear on the LOP Adjustment Lever, housed behind the bag rider, the SICS™ Butt Plate Assembly can quickly be extended 50 mm/1.97” or to the required length. To reduce the LOP, just pinch the LOP Adjustment Lever and the grip of the LOP Retaining plate together and push the assembly forward.

    If the user wants to set their own maximum and minimum LOP, this can easily be done by adding LOP Presets into the side of the Tufram coated LOP Bar. It just so happens that these LOP Presets are the same M4x10 Torx 20 screws we use for the top covers on our ISMS™ and Hunting Series rings and mounts. Also, the top of the LOP Bar is engraved with numbers, visibly indicating the LOP position for easy confirmation.

    In addition to the quick-adjustable LOP, the SICS™ also features a height-adjustable butt plate, which allows the butt plate to be raised 32 mm/1.25” in three steps, to ensure a more comfortable shooting experience when shooting from the prone position. To adjust the butt plate height, just push the button on the left side of the butt plate while sliding the butt plate up or down.

    Finally, at the rear of the butt plate, we use a Limbsaver® Airtech® recoil pad for maximum recoil absorption.

    Among the various accessories we offer for the SICS™ is a 18 mm/0.71" Recoil Pad Spacer, for shooters who require additional length of pull.


  7. #27
    Industry Member North_Sylva's Avatar
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    SICS™ Feature 5 - The System and the Accessories

    The SICS™ ships standard in hardcoat anodized black, with a 16” Spuhr Interface™ forend, and is designed for AICS pattern magazines. LOP is quick-adjustable for 50 mm/1.93”, pistol grip 8 mm/0 32", and the butt plate can be raised 32 mm/1.25”.

    The Short Action versions for Remington 700 and Tikka T3x are 685 mm/27.0” folded and 975 mm/38.4” fully extended. The Remington 700 SA version weighs 2.37 kg/5.22 lb and the Tikka T3x SA version weighs 2.43 kg/5.35 lb.

    Remington 700 and Tikka T3x Long Action versions will be available by the beginning of Q1 2022.

    As to accessories…

    The ARCA Swiss Rail Grabber (SKU CA001) is designed for quick and tool-less push-button adjustment of the grabber’s position along the forend. The CA001 has an ARCA Swiss interface surface with a Spuhr Interface™ machined into it, so that an ARCA bipod or tripod can be attached, or alternatively a short Picatinny rail, etc., if a bipod with a Picatinny grabber needs to be used. The CA001 weighs 120 gr/4.2 oz.

    An oversized magazine catch, in-the-white (SKU CA002,) is available for those who need to be able to custom fit their magazines into the SICS™.

    An exterior weight kit (SKU CA003,) containing two Corr-I-dur® treated steel weights for the SICS™ forend, is available for those who want to add weight to their rifle. Each weight weighs 110 grams/3.9 oz (including three screws) and is 58x30x10 mm (2.28”x1.18”x0.39”). The exterior weights are also sold as a 5-pack (SKU CA008).

    We also offer an interior weight kit (SKU CA004,) containing two Corr-I-dur® treated steel weights designed for the inside of the SICS™ forend. Each weight weighs 171 grams/6.0 oz (including three screws) and is 58x36x12 mm (2.28”x1.42”x0.47”). The interior weights are also sold as a 5-pack (SKU CA009).

    Finally, we offer an 18 mm/0.71" recoil pad spacer (SKU CA005,) for shooters who require a longer length of pull than what the SICS™ offers from the factory.

    Other accessories currently in the works are an Adjustable Bag Rider and a Side-Adjustable Cheek Piece.







    Last edited by North_Sylva; 10-01-2021 at 11:17 AM.

  8. #28

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