Smith & Wesson Extended Cylinder Release (Long) Stainless Steel Upgrade for K/L/N/X Frame Revolvers | TK Custom
TK Custom Stainless Extended Cylinder Release – S&W K/L/N/X Frame Revolvers
Boost your reload speed and control with the TK Custom Extended Cylinder Release—machined from matte stainless steel for precision feel and function. This drop-in upgrade is built for all modern Smith & Wesson K, L, N, and X Frame revolvers, and features a .8" checkered face for fast thumb engagement under pressure.
Whether you're running IDPA, carrying daily, or just want smoother mechanics and faster ejection, this part is one of the most impactful revolver upgrades you can make—without any gunsmithing.
Key Features
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Availability: Ships within 4 business days -
FAST RELOADS – 0.8" length and checkered face ensure rapid, reliable cylinder release during reloads.
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DURABLE STAINLESS BUILD – Matte finish resists wear and matches stainless revolvers perfectly.
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DROPS RIGHT IN – No fitting or gunsmithing required. Installs in minutes.
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FITS MODERN FRAMES – Compatible with Smith & Wesson K, L, N, and X frame revolvers. Not for J-Frames.
Why Shooters Choose TK Custom
TK Custom parts are built by shooters, for shooters. Our extended cylinder release is one of the most-trusted upgrades for S&W revolvers because it delivers speed, feel, and reliability in one simple drop-in part. If you shoot competitively or carry daily, this release gives you a mechanical edge you’ll feel instantly.
Spec Ops Profile
- Part Name: Extended Cylinder Release
- Finish: Matte Stainless Steel
- Length: 0.8"
- Compatibility: S&W K/L/N/X Frame Revolvers (Not J-Frame)
- Install Type: Drop-In
*Quality you can see. Excellence you can feel.*
Free Shipping on orders over $250.00 in the USA only!
Smaller orders less than $250.00 are $9.95 for shipping.
No Free Return Shipping with Labor
No International Shipping, except to Canada.
$35.00
Canada - Priority Mail / NO Tracking Out side of USA
Customer Reviews
Based on 87 reviews
91%
(79)
5%
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1%
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R
More than high quality parts, the best available. Perfect fit.
N
Fits perfectly on my S&W 627 V-Comp.easier and faster cylinder release plus looks great..!!
T
Easy to install. Far more comfortable than the factory option and speeds up my reloads.
FREQUENTLY ASKED QUESTIONS
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Federal or Remington & others makes works the best with the .025 thick Full Moonclips, which fit all the .38/357 standard moonclip. They allow the cartridges to have some movement or wiggle so that they will fall right into the chambers once properly aligned. Winchester brass does not work at all as the groove width is too tight/small.
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Use this text block to discuss some commonly asked questions like shipping and returns, sizing, warranties, or product and company details.
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There is no SAAMI specifications for the extractor groove and each manufacturer makes them as they want. The following list gives you a great example. This is why the diameter size of the brass is critical to proper loading, unloading and fitment. Cartridge diameter too big and moonclip too small causes the moonclip to bend. The cartridge should rotate within their respective place and wobble slightly when all cartridges are loaded.
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If you are unsure about how to use moon clips for your revolver, or wondering which moon clip to use, call us. See the Contact menu tab.
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