Sylvan Arms 9mm Conversion Block for Glock Magazines

Manufactured by Sylvan Arms
SKU: GCB100
MPN: GCB100
Manufactured by Sylvan Arms
14 Reviews
$114.99

In Stock

Orders of non-FFL items will ship same day if ordered before 3:30pm CST (M-F). FFL orders will ship within 5 business days if transfer details are provided.

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Details

Details

The Sylvan Arms 9mm Conversion Block for Glock magazines is a drop-in fit to give you a 9mm capable lower without resorting to buying a pistol caliber specific option. Designed to install almost exactly like a standard rifle magazine, this block accepts popular Glock 9mm magazines. Machined from black oxide steel and 6061-T6 aluminum, this mag block is covered by a 2 year warranty by the manufacturer.

Features:
  • Accepts common Glock 9mm magazines
  • Easy to install and swap out
  • High strength steel and aluminum construction
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Specifications

BrandSylvan Arms
PlatformAR-15
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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Ratings & Reviews

14 reviews

3.6
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Awesome!!

by

I picked up 2 and no problems at all. Easy to install and start shooting.

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Works flawlessly with a little effort.

by

This does require a little fitting, but can be easily accomplished by a person with decent mechanical skills. Once installed, the adapter (and the weapon) work absolutely flawlessly. I installed this on a buddy's carbine with Foxtrot Mike upper. It runs fantastic and is something I would stake my life on in a heartbeat.

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STILL has design issues

by -

Great concept but poor execution. It will wear away the magazine notch on your magazines.

I contacted Sylvan Arms and was told it was "normal", but they were willing to refund me if I had purchased thru them.

Thankfully I purchased this from PA and they approved my return.

Lesson learned: Get a dedicated lower.

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Could be designed better, chaffing issue

by -

Used this item once so far. Install was simple. Mags fit and ran well. However, upon removing the upper receiver for cleaning I noticed that the button-head shaped retention screw ,that secures the device to the mag well, had chaffed and wore slightly into the upper receiver. Appears that there is a clearance issue here. Not satisfactory in my opinion.

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