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Grovtec

GrovTec GTSW288 Swivels Manganese

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Heavy-duty Swivel

Extremely tight machining tolerances

Pull Tested

To over 300 pounds of

Non-glare Manganese

Phosphate finish helps eliminate reflection

Grovtec Gtsw288

Swivels Manganese model

Retail Price

Listed at $28.99

$28.99
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SKU: GTSW288-811071012881

Overview

Built for hunters who want a dependable sling attachment setup, this heavy-duty swivel set is designed with tight machining tolerances and tested to over 300 pounds of pressure. The non-glare manganese phosphate finish helps reduce reflection, making it well suited for field use where minimizing shine matters. It is a straightforward, purpose-driven option for securing a sling without unnecessary extras.

Why Hunters Choose the Grovtec

Heavy-duty Swivel

Set built for demanding field

Pull Tested

To over 300 pounds of

Non-glare Manganese

Phosphate finish reduces reflection

Extremely Tight

Machining tolerances for precise fit

Simple, Purpose-built

Design for secure sling attachment

Key Features

  • Heavy-duty swivel set built with extremely tight machining tolerances.
  • Pull tested to over 300 pounds of pressure.
  • Non-glare manganese phosphate finish helps eliminate reflection.
  • GrovTec GTSW288 Swivels Manganese model.
  • Retail price listed at $28.99.

Best Used For

  • Hunters wanting a heavy-duty swivel set with a non-glare finish for low-reflection carry
  • Users who prioritize tight machining tolerances in a sling swivel setup
  • Field use where a swivel set is expected to handle over 300 pounds of pull testing
  • Serious outdoorsmen looking for a durable, no-frills accessory with minimal glare
  • Anyone replacing or upgrading sling swivels for a more subdued hunting setup

Specifications

Blade Finishnon-glare manganese phosphate finish
Machining Tolerancesextremely tight
Model NumberGTSW288
Pull Testingover 300 pounds of pressure
Upc811071012881

Pros

  • Heavy-duty swivel set built for demanding field use
  • Pull tested to over 300 pounds of pressure
  • Non-glare manganese phosphate finish reduces reflection
  • Extremely tight machining tolerances for precise fit
  • Simple, purpose-built design for secure sling attachment

Considerations & Trade-offs

  • The non-glare manganese phosphate finish is designed to reduce reflection, which is useful in the field but may show wear or handling marks over time.
  • This is a swivel set, so it addresses sling attachment only and does not include other accessory components.
  • The product information emphasizes tight machining tolerances and pull testing, but does not provide details on compatibility beyond the model listing.
  • No dimensions or material breakdown are provided, so fit and setup should be confirmed against the intended firearm and sling hardware before purchase.

Suggested Comparisons

  • Heavy-duty sling swivels
  • Non-glare sling hardware
  • Rifle sling attachment accessories
  • Hunting sling accessory sets

Suggested Accessories

  • Sling
  • Rifle case
  • Gun cleaning kit
  • Spare swivels

Frequently Asked Questions

What is the GrovTec GTSW288 Swivels Manganese set designed for?

It is described as a heavy-duty swivel set with extremely tight machining tolerances and a non-glare manganese phosphate finish.

Does this swivel set have a non-reflective finish?

Yes. The product description states that it uses a non-glare manganese phosphate finish to eliminate reflection.

How much pressure has this swivel set been pull tested to?

The product is stated to be pull tested to over 300 pounds of pressure.

Are there any material or size specifications listed for this swivel set?

No additional material, size, or dimensional specifications are provided in the supplied product data.

Is this swivel set intended for hunting use?

The listing does not explicitly state intended use, but it is presented as a heavy-duty swivel set in the hunting/outdoor product category.