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High Standard Sentinel R-108

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MSRP:

$458.99

Used Price:

$458.99

Sale Price:

$153.51

High Standard Sentinel R-108 Gun Stats

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High Standard introduced their Sentinel revolver line in 1955, probably at the request of Sears Roebuck, which was a major customer and owned quite a bit of High Standard stock. Sears wanted a low-cost kit gun or “tackle box” revolver to sell under their J.C. Higgins brand. It was sold by Sears as the J.C. Higgins Model 88 . The J.C. Higgins guns were given distinctive grips, cylinder flutes, and cylinder release pins. Private label versions of the Sentinel were also made for Western Auto (the Revelation Model 99) and Armamex (Colonel Rex Applegate’s company in Mexico). The Sentinel was a 9-shot .22 revolver. It was advertised to have an anodized aluminum frame, high-tensile carbon steel barrel and cylinder, single-stroke multiple ejection, a swing-out counterbored cylinder, a movable square-notched rear sight, a non- slip scored trigger, a diamond-checkered grip (though they didn’t mention it was plastic), and target accuracy.

High Standard Sentinel R-108 For Sale

High Standard Sentinel R-108 Specs

1 Brand

2 Category

Technical Data

Weight

53 oz

Capacity

9

Barrel Length

5.09"

Finish

Black Matte

Sights

Adjustable Rear, Ft: Gold Bead Ramp

Gun Type

Revolver

Action

SAO (Single Action Only)

Grip

Black

How much is a High Standard Sentinel R-108 worth?

In 2025 a new or used High Standard Sentinel R-108 value varies depending on supply and demand. In the last 12 months there is great demand for a High Standard Sentinel R-108 and most handguns. The Price for a High Standard Sentinel R-108 has increased in cost by $0.00 in 2025 compared to 2024.

Estimated New and Used Values for a High Standard Sentinel R-108 Values are based on a basic model with no options or colors.

Condition Trade-In Private Party Dealer
New In box $99.78 $130.48 $153.51
Excellent $92.11 $122.81 $138.16
Very Good $84.43 $122.81 $138.16
Good $76.76 $115.13 $130.48
Fair $53.73 $99.78 $122.81
Poor $38.38 $76.76 N/A

Gun Value Conditions explained:

New in box - 100% condition in unopened box. Excellent - 95%+ condition with or without box.

Very Good - 90% - 95% condition (all parts/finish should be original).

Good - 80-90% condition (all parts/finish should be original).

Fair - 30% - 80% condition, parts, and finish may or may not be original. Must function properly and shoot.

Poor - under 30% condition. Firearm has severe wear and tear, does not function, or is damaged.

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