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Q&A for Glock G33 40 S&W Conversion Barrel — 3 Questions & 2 Answers

Name Glock G33 40 S&W Conversion Barrel
$300.00 $215.99 Save 28%
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Q
David, guest, from MS, United States, asked on July 22, 2022

will I have to change magazines?

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A
Answered by Ethan, Gear Expert, from IL, United States, on August 04, 2022

No, your OEM Glock magazines for .357 SIG will also accommodate .40 S&W as well.

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guapiño, member, from FL, United States, asked on January 02, 2020

will this convert my glock 33 .357 to .40 cal?

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Answered by Ethan, Gear Expert, from IL, United States, on May 26, 2022

Yes. The Glock G33 40 S&W Conversion Barrel is designed to fit the Glock 33 and convert it to chamber and shoot 40 S&W.

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Michael, guest, from FL, United States, asked on June 15, 2025

if the glock 33 standard replacement barrel will work in a glock 27, why is there a conversion from g33 to 40 s&w

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