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Customer Reviews
Helpful Positive Review
Will it fit P365 by Y, June 20, 2024
Will this fit the P365 also? Just not the P364 XMacro.
1/2 found this helpful
Helpful Positive Review
Almost perfect… by Robear, Verified Owner, February 21, 2024
Bought a new Sig and was shopping accessories on Optics Planet. Decided to give these a try, who doesn’t need more rounds? Overall quality is excellent, tight fit and finish and doesn’t add much length or weight. The 20 cartridges all fed flawlessly ...
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1/1 found this helpful
Helpful Positive Review
Great mag extension. by medicmaybe, Verified Owner, May 14, 2024
Would highly recommend! Sig grey is a darker, almost "sniper grey". This extension is just enough to give you those few extra rounds, but doesn't make the imprinting obvious when carrying.
1/1 found this helpful
Helpful Negative Review
No screws included. by RJ, Verified Owner, March 17, 2024
Did not come with the screws that lock the base on. I had to source my own.
2/3 found this helpful
Most Recent Reviews
This extender fits flush to the Maxwell unlike my other 3 round extender, but it is exceptionally larger for the additional 3 round capacity and does print more than the other I purchased. I don't think I would run this in my EDC due to that but the...
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Most Recent Reviews
solid piece no screws by RJ, Verified Owner, March 29, 2024
The machining and finish are great. Received this without any screws and had to source my own.
1/3 found this helpful
Read All 9 Reviews
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Product Info for Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension

Machined Aluminum magazine extensions to increase capacity, increase reload speed and mag drops, and overall functionality of your pistol. Available in various colors to customize to your pistol.image

Specifications for Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension:

Manufacturer: Tactical Precision Manufacturing
Caliber: 9mm Luger
Gun Make: SIG Sauer
Gun Model: SIG Sauer P365 X-Macro

Package Contents:

  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension
  • Set screw/short arm hex

Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension Orderable Models

List of Orderable Models

  • USED, Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, Midnight Bronze, OSFA, SME-AL5-365-MB-5RD , MPN: SME-AL5-365-MB-5RD-EDEMO , Code: 2ZF-PME-TPM37-SME-AL5-365-MB-5RD-EDEMO-IN-C
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, Black, OSFA, SME-AL5-365-BLK-5RD , MPN: SME-AL5-365-BLK-5RD , UPC: 810174300901 , Code: 2ZF-PME-TPM37-SME-AL5-365-BLK-5RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, Sig Grey, OSFA, SME-AL5-365-SG-5RD , MPN: SME-AL5-365-SG-5RD , UPC: 810174300932 , Code: 2ZF-PME-TPM37-SME-AL5-365-SG-5RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, Midnight Bronze, OSFA, SME-AL5-365-MB-5RD , MPN: SME-AL5-365-MB-5RD , UPC: 810174300925 , Code: 2ZF-PME-TPM37-SME-AL5-365-MB-5RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension, Barrett Brown, OSFA, SME-AL3-365-BB-3RD , MPN: SME-AL3-365-BB-3RD , UPC: 810174300864 , Code: 2ZF-PME-TPM37-SME-AL3-365-BB-3RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension, MulTitanium Cam Dark Brown, OSFA, SME-AL3-365-DB-3RD , MPN: SME-AL3-365-DB-3RD , UPC: 810174300895 , Code: 2ZF-PME-TPM37-SME-AL3-365-DB-3RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension, Black, OSFA, SME-AL3-365-BLK-3RD , MPN: SME-AL3-365-BLK-3RD , UPC: 810174300857 , Code: 2ZF-PME-TPM37-SME-AL3-365-BLK-3RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension, Sig Grey, OSFA, SME-AL3-365-SG-3RD , MPN: SME-AL3-365-SG-3RD , UPC: 810174300888 , Code: 2ZF-PME-TPM37-SME-AL3-365-SG-3RD

Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension Unavailable & Discontinued Models

List of Unorderable Models

  • Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, Barrett Brown, OSFA, SME-AL5-365-BB-5RD , MPN: SME-AL5-365-BB-5RD , UPC: 810174300918 , Code: 2ZF-PME-TPM37-SME-AL5-365-BB-5RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 5 Round Extension, MulTitanium Cam Dark Brown, OSFA, SME-AL5-365-DB-5RD , MPN: SME-AL5-365-DB-5RD , UPC: 810174300949 , Code: 2ZF-PME-TPM37-SME-AL5-365-DB-5RD
  • Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension, Midnight Bronze, OSFA, SME-AL3-365-MB-3RD , MPN: SME-AL3-365-MB-3RD , UPC: 810174300871 , Code: 2ZF-PME-TPM37-SME-AL3-365-MB-3RD
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Last updated 2026-07-02 UTC.