Achtung: Your browser is outdated. Please note that Gunfinder may not work properly in some places. You should update your browser as soon as possible. Learn more here!
-5 %

GRS Thumbhole Stock

≈ $1,014 ≈ $964
Price at the dealer: 857.85 €. Converted at the ECB rate as of October 21, 2026.
No permit required (18+)
72479 Straßberg, Germany
38
ID: 9896913
Purchase from outside the EU: The firearm goes through an importer in your country, the dealer handles the export. How buying from Europe works
Shop safely with Gunfinder
Our AI-powered seller identity verification makes Gunfinder the safest marketplace online. Learn more
About the seller
Black Raptor
Dealer

Details

Original language
German
Category
Condition
New
Location
🇩🇪 72479 Straßberg, Germany
Availability
In stock

Freshness

This listing is based on a mirrored offer, where the listing data was synced to us from a shop, dealer, or external marketplace. Please note that temporary price discrepancies may occur due to possible delays in data transmission.
Source
Black Raptor
Last updated
about 15 hours ago

Description

Note: The item is located abroad. Please note that delivery conditions, shipping times, and/or the purchase process may differ.
.br-product{font-family:Arial,Helvetica,sans-serif;line-height:1.6;color:#222;}
.br-product h2{font-size:1.2rem;margin-top:28px;}
.br-product h3{font-size:1rem;margin:0 0 8px;}
.br-product ul{padding-left:18px;}
.br-product li{margin-bottom:7px;}
.br-product .info-box{background:#ffdddd;border-left:6px solid #c40000;padding:12px;margin:20px 0;}
.br-product .tip-box{background:#eef6ff;border-left:6px solid #2a6fdb;padding:12px;margin:20px 0;}
.br-product .trust-box{background:#eaf7ea;border-left:6px solid #2f8f2f;padding:12px;margin:20px 0;}
.br-product .compare-box{background:#f5f5f5;border-left:6px solid #444;padding:12px;margin:20px 0;}
.br-product details{background:#f2f2f2;padding:10px;margin-bottom:8px;border-radius:4px;}
.br-product summary{font-weight:600;cursor:pointer;}

GRS Thumbhole is an adjustable thumbhole stock made of birch laminate with a classic hunting line. The stock is designed for shooters who prefer a closed thumbhole grip geometry and SpeedLock adjustment over an almost vertical chassis grip.

Changing the stock alters contact surfaces, cheek weld, recoil transfer, and often the position of the scope relative to the eye. Therefore, the selection does not start with color or material, but with the exact system inletting. Only then are ergonomics, weight, and support interfaces evaluated.

What is GRS Thumbhole?
Product classification: Stock system. Only properly inletted variants are ready to use immediately after professional installation; blank versions are machining blanks.
System chain: Firearm/system → precisely chosen thumbhole inletting → if necessary bedding/adjustment → grip and cheekpiece position → re-zeroing.
Variant logic: Manufacturer: Blank, Tikka, HOWA, Mauser, Remington; Model: -, T3/T3X/T1X LH, T3/T3X/T1X, 1500 SA, M25, 700 BDL SA; Color: Brown, Green Mountain Camo, Orange-Black, Nordic Wolf. Only the actually created combinations in the variant selector are valid; manufacturer and model names must not be freely combined.

How to read the correct stock variant
Manufacturer refers to the firearm or system family, model to the specific inletting, and color exclusively to the visual design. A model designation like T3/T3X, B14, 700, or R8 alone is not sufficient if system length, magazine type, bolt release position, or handedness are also distinguished.
SA and LA stand for different system lengths. LH/RH or left-/right-hand systems change the ejection port, bolt travel, and often the inletting. References to HMR, CTR, M5 Bottom Metal, BDL, or Clone are not marketing additions but can define magazine and bottom metal geometry.
For an existing firearm, check the type plate, manufacturer documents, and actual underside together. Modifications to bottom metal or magazine can mean that the current configuration, not the original factory designation, is decisive. If your combination cannot be selected exactly, do not choose a different model or system length as a substitute.
“Blank” or “-” does not describe a universal drop-in stock. It is a version for professional inletting. Always check SKU and color variant before any machining, as machined stocks generally cannot be treated as unused standard goods.

Why this GRS model?
GRS Thumbhole combines SpeedLock adjustment, 0.5-inch Limbsaver Airtech stock cap, 40-mm fore-end, and closed thumbhole geometry. This stock solves a specific task: cheek, shoulder, and trigger hand are reproducibly positioned relative to the scope and firearm axis.
The adjustment does not automatically make the stock fit. If the system inletting is wrong, recoil does not bear on the intended surfaces, or screws do not achieve correct preload. Blank variants deliberately lack these machined mating surfaces.

Base material
and construction: birch laminate
Adjustable stock length: 36–39 cm
Dimensions for setup planning: 74 cm overall length and 40 mm fore-end width
Stock weight: approx. 1.3 kg, depending on system milling
Ergonomics and interfaces: SpeedLock adjustment, 0.5-inch Limbsaver Airtech stock cap, 40 mm fore-end, and closed thumbhole geometry


Typical use scenarios
Steady hunting or range hold: The closed thumbhole geometry guides the hand into a firm position and can support a consistent grip. However, changing hand position is less flexible than with Loke, Fenris, or a chassis grip.
Classic stock line with adjustment: Those who prefer wood look and thumbhole stock get SpeedLock instead of a fixed cheek rest. The longer LOP of 36–39 cm must fit body size and clothing.
Rest and bipod: The 40 mm fore-end remains slimmer than Sporter or Loke. On wide bags, the actual contact area is therefore smaller; a bipod must be mounted on the designated stock attachment.

What a stock change technically alters
The system rests on different contact points in the new stock than before. Recoil is transferred through recoil lugs, bedding, or defined contact surfaces into the stock. If this connection is tight or only point-contact, function and point of impact can change. A high-quality scope or high screw torque does not compensate for incorrect milling.
The magazine area is part of the fit. The magazine must lock in, cartridge feed and bolt travel must work without contact to the stock, and bottom metal or trigger guard must not be deformed by screw preload. For chassis and clone systems, the magazine standard is as important as the action designation.
The barrel channel is checked along the entire relevant length. If the design calls for a free-floating barrel, neither the fore-end nor an overly long accessory screw may touch the barrel. Only after this mechanical check are the cheek rest, stock cap, and optics ergonomically adjusted.
A new stock can facilitate a more repeatable body position but does not alone produce smaller groups. Ammunition, barrel, system, mounting, optics, and shooting technique remain part of the same precision chain. The real advantage is a geometry the shooter finds in every relevant position.

Our assessment
GRS Thumbhole suits hunters and sport shooters who want a defined hand position in a thumbhole stock with adjustable length and cheek rest. Its strength lies in the combination of confirmed weapon fit and the ergonomics designed for this model, not in the longest possible feature list.
Don’t buy if you need quick hand changes, a fully ambidextrous chassis, or modular M-LOK/Arca interfaces. Also unsuitable is any variant whose system designation, system length, handedness, or inlet does not exactly match your own firearm.

Black-Raptor short summary: Buy if: weapon platform, system length, handedness, magazine/bottom metal configuration, and desired stock function fit the selected variant. Don’t buy if: you expect drop-in mounting from a blank version or cannot clearly find your specific firearm variant in the selector.

Product-specific practical tips

Practical tip: Take thumbhole geometry hand access seriously The closed grip guides the hand reproducibly but slows hand position changes. With a fully unloaded firearm, safety, bolt, and trigger must remain reachable without the hand twisting in the thumbhole or the thumb being under tension.

Practical tip: Don’t choose 36 to 39 cm LOP too long The thumbhole starts longer than Hunter Light or Sporter. Too much length pulls the shoulder back and makes it harder to de
n straight trigger finger; first determine the shortest natural position with the actual worn clothing and only then extend.

Practical tip: Support 40-mm fore-end appropriately On narrow rests, the thumbhole remains guiding, on wide bags it has less contact area than Sporter, Fenris or Loke. Shape the bag so that both lower stock edges are evenly supported and the stock does not roll sideways.

Practical tip: Clearly separate blank and finished milling A blank version is a machining blank, not a universal fit. Inletting, recoil pad, screw channels and, if applicable, bedding are carried out as a connected work; color and outer shape say nothing about the system fit.

Fit, bedding and assembly
Bedding and adjustment requirements depend on the chosen weapon/blank variant; blank stocks are not ready for installation. Before assembly, completely unload the weapon and separate the system and old stock according to the manufacturer's instructions. Recoil pad, screw channels, magazine area and barrel clearance must fit together without tension.
A free-floating barrel must not be touched by the fore-end, accessory screw or pressure from a misfitting system unit, provided the weapon/stock design allows a free barrel. Magazine and bolt must function in all intended states. Proper bedding corrects defined contact surfaces; it is not a means to make an incorrect milling fit.

Set ergonomics correctly
The order is stock length, cheek height, butt pad height/angle and only then optic position. Start with the most common shooting position, then check lying, sitting and standing. The cheek rest should provide reproducible contact without pushing the head out of the natural axis.
With thick hunting clothing, the effectively required stock length shortens. For summer and winter setup, a documented SpeedLock position is worthwhile. Butt pad and cheek are not decorative adjusters: every change affects head position, recoil line and access to bolt or safety.

Scope of delivery and additionally required parts
Confirmed model scope of delivery: Thumbhole stock, operating manual and GRS decals according to manufacturer specifications; shown weapon and accessories are not included. The specific shop variant may contain system-related parts; the decisive factor remains the stated scope of delivery of the chosen SKU.
Not automatically included: weapon, system, barrel, magazine, bottom metal, trigger, optic, mount, bipod, Arca-/Picatinny-/M-LOK accessories, bedding material and assembly tools, unless explicitly stated.


Comparison and suitable alternatives: Compared to the Sporter, the Thumbhole leads the hand more closed and has a narrower fore-end. Hunter Light is lighter and shorter; Loke offers the more open, almost vertical competition grip geometry.
GRS Sporter stock system
GRS Hunter Light hunting stock
GRS Bifrost stock system



Material and care
Laminate should dry slowly after moisture and surface damage should be sealed. Check inletting, screw channels and recoil pad especially for trapped moisture.
After each conversion, visually inspect recoil pad, system screws, adjusters and accessory points. Damaged threads, cracks, play in the folding mechanism or wandering SpeedLock parts must be professionally clarified before further use.

Check after assembly
On the fully unloaded system, first check safety, trigger, bolt, magazine catch and, if applicable, folding joint. Then insert and remove an empty magazine, slowly cycle the bolt through the entire path and check whether stock or accessories touch moving parts.
Before the first shooting session, mark or note settings: LOP, cheek height, butt pad position and accessory slot. After the first shooting series, systemsc
View screws and control markings without preemptively tightening beyond the manufacturer’s specifications. Then confirm zero and, if needed, magazine/feed function with the intended ammunition.
GRS Thumbhole is only considered a complete setup when mechanical fit, operability, ergonomic position, and zero all align. Leaving any of these levels open just shifts troubleshooting to the shooting range.

Technical Data

Material: Birch laminate

Stock length/LOP: 36–39 cm

Overall length: 74 cm

Forestock width: 40 mm

Weight: approx. 1.3 kg, depending on the action inletting

Adjustment: SpeedLock adjustment, 0.5-inch Limbsaver Airtech stock cap, 40-mm forestock, and closed thumbhole geometry

Bedding: Bedding and fitting requirements depend on the chosen rifle/blank variant; blank stocks are not ready to install

Variants in shop: 24 precisely guided manufacturer/model/color combinations


Important Fit Note: The model family alone does not confirm rifle fit. The decisive factor is the specific combination of manufacturer, model, action length, handedness, and possibly magazine/bottom metal configuration in the variant selector. If unsure before modification or assembly, have it checked by a professional.

FAQ
Does GRS Thumbhole fit every rifle of the brand named in the title? No. Only the specifically selectable manufacturer/model combination is intended. Action length, generation, handedness, and magazine/bottom metal configuration can affect fit.
Is a blank version ready to install? No. Blank means a machining blank without finished action inletting. Inletting, bedding, and further fitting belong in expert hands.
Does the rifle need to be re-zeroed after stock change? Yes. Contact surfaces and recoil transfer change. After correct assembly, zero is reconfirmed with the intended ammunition.
What is included? Thumbhole stock, user manual, and GRS decals per manufacturer info; shown rifle and accessories are not included. Rifle, optics, and accessories not explicitly mentioned are not included.
What distinguishes this model from other GRS stocks? Compared to the Sporter, the Thumbhole holds the hand more closed and has a narrower forestock. Hunter Light is lighter and shorter; Loke offers the more open, almost vertical competition grip geometry. (Show description in original language)
.br-product-v3{--br-ink:#17201c;--br-muted:#5f6a64;--br-deep:#10271d;--br-deep2:#17382a;--br-gold:#d8b86a;--br-line:#d9e0dc;--br-soft:#f4f6f4;max-width:1100px;margin:0 auto;color:var(--br-ink);font-family:inherit;line-height:1.65}.br-product-v3 *{box-sizing:border-box}.br-product-v3 p{margin:0 0 12px}.br-hero-v3{background:linear-gradient(135deg,var(--br-deep),var(--br-deep2));color:#fff;padding:30px;border-radius:18px;margin-bottom:24px}.br-hero-v3 .br-muted{color:#d6dfda}.br-kicker{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--br-gold);margin-bottom:8px}.br-hero-title{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:850;line-height:1.12;margin-bottom:12px}.br-section-title{font-size:1.28rem;font-weight:850;color:var(--br-deep);margin:28px 0 12px}.br-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.br-box,.br-card{background:#fff;border:1px solid var(--br-line);border-radius:14px;padding:18px}.br-card{border-top:4px solid var(--br-gold)}.br-fit{background:#eef8f1;border-color:#cfe5d5}.br-no{background:#fff3f1;border-color:#efcec7}.br-warn{background:#fff8e8;border-color:#ead9a9}.br-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.br-spec{background:#fff;border:1px solid var(--br-line);border-radius:12px;padding:14px}.br-spec b{display:block;color:var(--br-deep);margin-bottom:3px}.br-muted{color:var(--br-muted)}.br-faq details{background:var(--br-soft);border:1px solid var(--br-line);border-radius:12px;padding:12px 14px;margin:8px 0}.br-faq summary{font-weight:800;cursor:pointer}.br-final{background:var(--br-deep);color:#fff;border-radius:16px;padding:22px;margin-top:26px}.br-final .br-muted{color:#d6dfda}.br-video-slot{min-height:1px}@media(max-width:720px){.br-grid,.br-specs{grid-template-columns:1fr}.br-hero-v3{padding:22px}.br-box,.br-card{padding:15px}.br-product-v3{overflow-wrap:anywhere}}

GRS Riflestocks · Premium-v3 Kaufberatung
GRS Thumbhole Lochschaft
Verstellbarer Birkenlaminat-Schaft mit geschlossener Daumenloch-Geometrie für Schützen, die eine definierte Handlage und klassische Schaftlinie bewusst einem offenen Chassisgriff vorziehen.
Entscheidend ist nicht die Farbe, sondern die exakt passende Systemausfräsung. Blank-Ausführungen sind Bearbeitungsrohlinge und keine Universal-Drop-in-Lösung.


Passt gut / passt eher nicht


Passt gut, wenn … du eine reproduzierbare Handposition, verstellbare Schaftlänge und Wangenhöhe sowie die typische Thumbhole-Ergonomie für Jagd oder Range suchst.
Die im Shop gewählte Kombination aus Hersteller, Modell, Systemlänge und Händigkeit muss exakt zu deiner Waffe passen.


Passt eher nicht, wenn … du häufig die Handposition wechselst, ein vollständig beidhändiges Chassis oder integrierte M-LOK-/Arca-Schnittstellen erwartest.
Auch ungeeignet, wenn du bei einer Blank-Variante eine einbaufertige Passung erwartest.


Was du in der Praxis davon hast


Definierte Handlage Die geschlossene Daumenloch-Geometrie führt die Abzugshand deutlich fester als ein offener Pistolengriff. Das unterstützt Wiederholbarkeit, schränkt aber schnelle Handwechsel stärker ein.


SpeedLock-Verstellung Die Schaftlänge lässt sich im Bereich von 36–39 cm an Körperbau und Bekleidung anpassen. Die Wangenposition wird anschließend auf die tatsächliche Optikhöhe abgestimmt.


40-mm-Vorderschaft Schlanker als Sport-/Benchrest-Schäfte: führig und jagdlich, aber mit weniger Auflagefläche auf sehr breiten Bags.


Birkenlaminat Steife klassische Schaftbasis mit markanter Optik. Nach Nässe langsam trocknen und offene/bearbeitete Stellen besonders sorgfältig kontrollieren.


Variantenwahl & Fehlkaufvermeidung

Herstellername allein genügt nicht. T3/T3X/T1X, HOWA 1500 SA, Mauser M25 oder Remington 700 BDL SA stehen für konkrete Inlets. LH/RH, SA/LA sowie Magazin- oder Bottom-Metal-Geometrie können die Passung verändern.
Blank bedeutet Rohling. Inletting, Rückstoßanlage, Schraubenkanäle und gegebenenfalls Bettung müssen fachgerecht hergestellt werden. Keine andere Variante „ähnlich passend“ auswählen.

Grenzen, Nachteile, bewusste Entscheidung

Der Thumbhole ist kein Leichtbau-Chassis und kein maximal modularer PRS-Schaft. Die geschlossene Handführung ist sein Vorteil und zugleich seine Grenze. Wer offene Griffwechsel, breite Barrikadenauflage oder Frontmodularität priorisiert, ist mit Loke, Warg oder einem Chassis-Konzept meist besser bedient.
Ein Schaftwechsel verbessert nicht automatisch Präzision. Er schafft vor allem eine reproduzierbarere Schnittstelle zwischen Schütze und System; Lauf, Munition, Montage, Optik und Schießtechnik bleiben Teil derselben Kette.

Technische Daten mit Praxisdeutung


Material Birkenlaminat Steife klassische Basis; bearbeitete Bereiche trocken halten.


Schaftlänge / LOP 36–39 cm Eher langes Setup; mit realer Jagd-/Range-Bekleidung einstellen.


Gesamtlänge ca. 74 cm Kompakter als viele Sport-/Chassis-Schäfte.


Vorderschaftbreite 40 mm Führig, aber weniger Bag-Auflage als breite Wettkampfschäfte.


Gewicht ca. 1,3 kg, je nach Inlet Mittlere Schaftmasse; nicht auf Leichtbau optimiert.


Schnittstellen SpeedLock, Limbsaver Airtech Ergonomie im Fokus, nicht Frontmodularität.


Lieferumfang
Thumbhole-Schaft, Bedienungsanleitung und GRS-Decals laut vorhandenen Herstellerdaten. Waffe, System, Lauf, Magazin, Bottom Metal, Optik, Montage, Zweibein, Bettungsmaterial und nicht ausdrücklich genanntes Zubehör sind nicht enthalten.
Sichere Montage & Kontrolle

Nur an vollständig entladener Waffe arbeiten. Rückstoßanlage, Systemschrauben, Magazinbereich und Lauf-Freigang müssen ohne Verspannung passen. Bei Konstruktionen mit freischwingendem Lauf darf weder Schaft noch Zubehör den Lauf berühren.
Nach dem Umbau Funktion von Sicherung, Abzug, Verschluss und leerem Magazin prüfen und den Nullpunkt neu bestätigen. Drehmomente nur nach Vorgabe von Waffen-/Schaft-Hersteller verwenden.

FAQ

Ist „Blank“ ein Universal-Schaft? Nein. Blank ist ein Bearbeitungsrohling ohne fertiges Inlet. Passt jede Tikka- oder Remington-Variante? Nein. Maßgeblich ist die konkrete Kombination im Variantenselektor inklusive Systemlänge und Händigkeit. Muss nach dem Umbau neu eingeschossen werden? Ja. Kontaktflächen und Rückstoßübertragung ändern sich; der Nullpunkt muss danach bestätigt werden. Was ist die wichtigste Stärke? Die Kombination aus definierter Thumbhole-Handlage und verstellbarer Ergonomie in klassischer Laminatbauweise.


Black-Raptor-Einordnung Der GRS Thumbhole ist die richtige Wahl, wenn du bewusst einen klassischen Lochschaft mit reproduzierbarer Handlage suchst und die exakte Inlet-Variante sicher kennst. Er ist keine Universalpassung und kein Ersatz für ein hochmodulares Chassis.

Similar listings