Will the GrovTec GTHM196 fit my Beretta A300 or Benelli M4 shotgun stock?

Yes, this model is specifically engineered for thin-walled synthetic and polymer hollow firearm stocks, making it a popular choice for popular semi-auto shotguns like the Beretta A300 and Benelli M4. It requires a 1/2-inch mounting hole and access to the internal cavity of the buttstock to thread the included backing panel nut.

How do I install this hollow stock QD base on my rifle?

Installation requires drilling a 1/2-inch mounting hole through the stock wall and accessing the internal hollow cavity to secure the mating retainer panel nut. The unit features a 1/2-28 thread interface and includes three perimeter locking set screws that clamp down to prevent the base from rotating or unthreading under heavy field use.

Can I use this base on a solid timber or foam-filled hunting stock?

No, this flanged model is unsuitable for solid timber, dense laminate, or sealed solid foam-filled stocks because it requires internal cavity access to install the backing panel nut. For solid wood stocks, you should choose a standard wood-screw or threaded flush cup base instead.

Does this mount allow my sling swivel to rotate 360 degrees?

No, the GTHM196 features a non-rotating anti-rotation pocket designed to keep your sling from twisting during dynamic movement in the bush. If you prefer full 360-degree swivel rotation, you will need to look at an alternative product like the GrovTec GTHM198.

QD Sling Base - GrovTec GTHM196

The GrovTec Non-Rotating Flanged Push Button Base for Hollow Stock provides a secure Quick Detach (QD) sling mounting point for firearms with thin-walled polymer, synthetic, or composite buttstocks. Standard wood screws and tap-in inserts often fail or strip out when installed into hollow stock walls under tension. This unit resolves that issue by sandwiching the stock shell between an exterior flanged push-button base and an internal threaded panel nut, distributing sling load across a wider surface area. Machined from stainless steel with a black finish, it incorporates an anti-rotation pocket design along with three locking set screws to prevent the base from twisting or unthreading during field use.

Key Features

Flanged Load-Spreading Design: Utilises an external flange and internal backing panel nut to clamp thin stock walls securely, preventing pull-out under sling tension.
Anti-Rotation QD Pocket: Features an integrated non-rotating interface to eliminate sling twisting and tangling during carry.
Secure Set-Screw Locking: Employs 3 perimeter locking set screws that tighten against the assembly to prevent the base from unthreading or rotating once installed.
Stainless Steel Construction: Precision-machined from stainless steel with a matte black finish for high tensile strength and corrosion resistance.
Standard Push-Button Compatibility: Accepts standard push-button Quick Detach (QD) sling swivels.

Product Specifications

Category: Hollow stock QD sling base
Model: GTHM196
Material: Machined stainless steel
Finish: Black oxide / matte black nitride
Thread Interface: 1/2-28 thread pitch
Mounting Hole Requirement: 1/2 inch (drill hole through stock wall)
Locking Mechanism: 3 locking set screws
Included Hardware: 1× flanged QD base, 1× internal mating retainer/panel nut, 3× locking set screws

Who is the GrovTec Non-Rotating Flanged Push Button Base for?

Hunters and sport shooters modernising synthetic rifle stocks — requires installing a 1/2 inch mounting hole through hollow polymer buttstocks, allowing this hollow stock QD sling base to sandwich the thin shell securely via a 1/2-28 thread interface.
Shotgun owners fitting tactical slings to semi-auto platforms — integrates a non-rotating push-button pocket locked by 3 perimeter set screws to prevent sling twist and hardware loosening under 12-gauge recoil on platforms like the Beretta A300 and Benelli M4.

Less suitable for: Solid timber or dense laminate buttstocks where backing nuts cannot be accessed (choose standard wood-screw studs or threaded flush cups), sealed foam-filled stocks lacking internal cavity access (choose epoxy-in flush cups or rail-mounted QD mounts), or shooters who require full 360-degree swivel rotation (choose a full-rotation hollow-stock base).

SKU	GT40831LP
Model #	GTHM196
Brand	Grovetec
Shipping Weight	1.0000kg

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Grovtec Gthm196 Qd Sling Base Hollow Stock Stainless Steel

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