Description
The Gunslick Muzzle Bore Guard 22 Cal Brass is a simple, essential accessory for protecting your rifle’s crown and rifling during cleaning. It’s a small brass cap that threads onto the muzzle of your .22 caliber rifle, creating a seal that directs cleaning solvents and debris out the breech, preventing damage to the critical last inch of your barrel. I’ve used these for years on my rimfire bench guns—they’re one of those cheap pieces of kit that pays for itself by preserving accuracy. At just $3.12, it’s an absolute no-brainer for anyone serious about maintenance.
Key Features
- Protects the muzzle crown and rifling from cleaning rod damage and solvent pooling.
- Made from durable, non-marring brass to prevent scratching your barrel’s finish.
- Creates a sealed chamber to force solvents and fouling out the action for a more effective clean.
- Simple threaded design installs in seconds with no gunsmithing required.
- Specifically sized for .22 caliber (.224″ bore) rifles.
Specs & Details
| Material | Brass |
|---|---|
| Caliber | .22 Caliber / .224″ Bore |
| Thread Type | Standard 1/2″-28 TPI (common .22LR muzzle thread) |
| Finish | Natural Brass |
| Primary Use | Muzzle protection during bore cleaning |
| Package | Single unit |
Here’s the thing—the crown of your barrel is where the bullet makes its final exit, and any damage there, even minor nicks from a cleaning rod, can throw your shots off. This little guard eliminates that risk. It threads directly onto common 1/2″-28 threaded muzzles, a standard you’ll find on many modern .22LR rifles like the Ruger 10/22 Takedown or the Smith & Wesson M&P 15-22. The brass construction is soft enough that it won’t gall or damage your barrel’s threads, yet it’s tough enough to take repeated use. I keep one in my cleaning kit permanently.
Who It’s For
This is for the rimfire shooter who values precision and longevity. Whether you’re maintaining a vintage Marlin Model 60, a CZ 457 for competition, or a threaded tactical .22, this guard is a must-have. It’s especially crucial for rifles with recessed crowns or those you clean from the muzzle end. If you invest time in keeping your gun accurate, investing three bucks to protect the most sensitive part of the barrel is just smart.
Pros & Cons
Pros: Incredibly affordable insurance for your barrel’s accuracy. Drops on and off in seconds. The brass won’t rust and is gentle on steel threads. It does one job and does it perfectly. Fits out of the box with no modification needed.
Cons: Only works on threaded muzzles (not for plain crowned barrels). It’s a single-purpose tool. You have to remember to use it—it won’t help if it stays in your kit bag.
Look, for the price of a cup of coffee, you’re safeguarding the point of impact on a rifle you may have spent hundreds on. It’s a simple equation. The 1/2″-28 thread pitch is the most common for .22 caliber firearms, making this guard widely compatible. We have it available at firearms-missouri.com for Missouri residents and nationwide shipping to compliant states. Just add it to your next order of ammo or cleaning supplies—you’ll thank yourself later.
Frequently Asked Questions
Q: Will this fit my non-threaded .22 rifle barrel?
A: No. The Gunslick Muzzle Bore Guard requires a threaded muzzle (specifically 1/2″-28 threads) to install. It is not designed for plain, crowned barrels.
Q: Can I leave this on the rifle during storage or firing?
A: Absolutely not. This is a cleaning accessory only. It must be removed before firing the firearm. It is not a muzzle device or protector for storage; it is solely for use during the cleaning process.
Q: Is it reusable?
A: Yes, it’s designed for repeated use. The brass is durable and the threads are robust. With proper care, one guard should last for the lifetime of your cleaning routine.
Protect your investment and keep your groups tight. Add the Gunslick guard to your maintenance routine today.




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