What is the primary purpose of the GrovTec Black Spacers when installing a rifle sling swivel?

The GrovTec Black Spacers act as a protective washer that sits between the stock surface and the base of the swivel stud. They prevent the metal stud from marring, crushing, or gouging delicate wood or synthetic stock finishes when torqued down, while also helping to properly align the swivel stud eye.

Will these black spacers work with modern push-button QD flush cups or M-LOK rail sling mounts?

No, the GTHM65 spacers are specifically designed for standard threaded sling swivel studs on long guns. They are unsuitable for modern push-button Quick Detach (QD) flush cups, direct M-LOK or KeyMod sling mounts, and rail attachments that do not utilise threaded swivel studs.

How many spacers are included in the GrovTec GTHM65 pack and what material are they made from?

Each pack contains 12 black polymer and synthetic composite spacers. This bulk pack quantity makes them ideal for gunsmithing benches, stock customisation projects, or replacing worn factory hardware across multiple rifles and shotguns.

Do I need a firearms licence to purchase these GrovTec spacers online in Australia?

No, because these spacers are non-powered, mechanical firearm maintenance hardware, they are fully legal for sale across all Australian states and territories without requiring a firearms licence.

Sling Swivel Spacers - GrovTec GTHM65

The GrovTec Black Spacers (12 Pack) (SKU GTHM65) are gunsmithing shims engineered for rifles and shotguns. Designed to fit between the firearm stock and the flange of a standard threaded sling swivel stud, these synthetic composite spacers prevent surface crushing, marring, and gouging on wood, laminate, and synthetic finishes. During installation, each spacer acts as a compression washer to facilitate proper stud timing and indexing, aligning the swivel eye perpendicular to the barrel without over-torquing or stripping pilot holes in the stock.

Key Features

Stock Surface Protection: Creates a protective barrier between the stock and the swivel stud flange to prevent gouging and mechanical finish damage.
Indexing and Alignment: Compresses under tension to assist in properly timing and orienting the swivel stud eye without over-tightening.
Tension Retention: Delivers mechanical resistance that reduces the risk of threaded swivel studs backing out from hunting recoil and sling movement.
Bulk Workshop Supply: Supplied in a pack of 12 for ongoing firearm maintenance, stock refinishing, and workbench hardware replacement.
Weather Resistance: Built from durable polymer composite material suitable for all-weather hunting and resistance to standard gun care oils.

Product Specifications

Brand: GrovTec
Model Number (SKU): GTHM65
Product Type: Rifle and shotgun sling swivel spacers / shims
Pack Quantity: 12 spacers per pack
Material: Polymer / synthetic composite
Finish: Black
Compatibility: Universal fit for standard long gun threaded sling swivel studs (wood, synthetic, and laminate stocks)

Who is the Grovtec Black Spacers - 12 Pack for?

Gunsmiths performing stock maintenance and customisation — Requiring a bulk workshop supply of 12 pack polymer composite rifle sling swivel spacers to properly time swivel studs and eliminate finish marring on wood, laminate, or synthetic rifle builds.
Hunters and shooters replacing missing or worn factory hardware — Utilising a dedicated 12 pack synthetic rifle sling swivel spacer kit to replace perished washers, restore stud tension against recoil, and prevent stud eyes from backing out in the field.

Less suitable for: Modern push-button Quick Detach (QD) flush cups, direct M-LOK sling mounts, KeyMod platforms, or Picatinny rail attachments that do not utilise threaded swivel studs; these configurations require direct-mount QD sling hardware or rail-specific sling adapters instead.

SKU	GT40857LP
Model #	GTHM65
Brand	Grovetec
Shipping Weight	1.0000kg

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Grovtec Gthm65 Black Spacers 12 Pack Polymer

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