Cleaning Rods & AccessoriesAccuproSold by Brownells

Accupro

Pro Jags - .50 Cal. Pro Jag

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

Rubber O-ring

Helps center the jag and

O-ring Is

Designed to help prevent muzzle

Pointed Brass

Jag holds patches securely for

Compatible Standard

Standard rifle cleaning rods using

12 Gauge

Version also fits 5/16"-27 standard

$6.49
List Price: $12.50
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SKU: 745000010

Overview

Designed for muzzleloading maintenance, this jag is built to center the patch and jag as they move through the bore while helping reduce the chance of muzzle damage. The pointed brass design holds patches securely for routine swabbing during cleaning, making it a practical choice for hunters who want a simple, purpose-built cleaning accessory. It is made for use with standard cleaning rods, with thread options noted for 12 gauge compatibility. A straightforward tool for keeping cleaning sessions controlled and efficient, without unnecessary complexity.

Why Hunters Choose the Accupro

Rubber O-ring

Helps center the jag and

Designed Help

Prevent muzzle damage during cleaning

Pointed Brass

Jag holds patches securely for

Compatible Standard

Standard rifle cleaning rods using

12 Gauge

5/16"-27 thread for shotgun rods

Key Features

  • Rubber O-ring helps center the jag and patch in the muzzle and bore.
  • O-ring is designed to help prevent muzzle damage during cleaning.
  • Pointed brass jag holds patches securely for swabbing.
  • Compatible with standard rifle cleaning rods using 8-32 thread.
  • 12 gauge version also fits 5/16"-27 standard shotgun cleaning rods.
  • Brass construction; 1.5-inch length.

Best Used For

  • Hunters cleaning .50 caliber muzzleloaders who want gentle bore centering during maintenance
  • Shooters protecting the muzzle crown while swabbing patches through the bore
  • Users needing a brass jag for efficient patch holding during routine cleaning
  • Owners of compatible cleaning rods seeking a simple .50 cal cleaning accessory

Specifications

Caliber.50 Cal.
Fits Standard Rifle Cleaning RodYes
Fits Standard Shotgun Cleaning RodYes
Gauge12 gauge
Length1 1/2" (3.8cm)
MaterialBrass
O RingRubber
Shotgun Thread Size5/16"- 27
Thread Size8 - 32

Pros

  • Rubber O-ring helps center the jag and patch through the muzzle and bore.
  • Designed to help prevent muzzle damage during cleaning.
  • Pointed brass jag holds patches securely for efficient swabbing.
  • Compatible with standard rifle cleaning rods using 8-32 threads.
  • 12 gauge version also available with 5/16"-27 thread for shotgun rods.

Considerations & Trade-offs

  • The rubber O-ring is designed to center the jag and patch and help protect the muzzle crown, which adds a small step to the cleaning process compared with a simple jag.
  • This is a .50 cal. Pro Jag, so it is intended for that caliber rather than being a universal cleaning accessory.
  • Thread compatibility matters: standard versions use 8-32 threads, while the 12 gauge version uses 5/16"-27, so it should be matched to the correct rod before use.
  • At 1 1/2" long, it is a compact cleaning accessory and does not add any extra features beyond patch holding and muzzle protection.

Suggested Comparisons

  • Muzzleloader cleaning jags
  • Bore cleaning patches
  • Cleaning rods and rod adapters
  • Shotgun cleaning accessories

Suggested Accessories

  • Cleaning patches
  • Cleaning rod
  • Bore brush
  • Gun cleaning solvent

Frequently Asked Questions

What does the rubber O-ring do on this Pro Jag?

The rubber O-ring is described as gently centering the jag and patch in the muzzle and through the bore, while helping prevent muzzle damage.

What thread pattern does the .50 cal. Pro Jag use?

The provided specs say all are 8-32 thread except the 12 gauge version with 5/16"-27. The product data here does not list a separate thread detail specifically for the .50 cal. version.

What is the jag made of?

The specs list it as brass.

What kind of patches will it hold?

The description says the pointed brass jag firmly holds all types of patches for efficient swabbing during cleaning.

Is this intended for rifle or shotgun cleaning rods?

The product data notes that 8-32 fits a standard rifle cleaning rod, while 12 gauge 5/16"-27 fits a standard shotgun cleaning rod. The .50 cal. listing itself does not specify a different rod type beyond the thread information provided.