Springer Precision

Magazine Extension for Sig Sauer P320 .45/XTEN


Springer Precision 140mm extended capacity basepads for Sig Sauer P320/250 45 cal. are CNC machined from aluminum and hard anodized for a long service life.  The unique locking mechanism allows a very solid attachment with a simple backing out of the discrete set screw. 

Installation instructions

*We include a 1/16 hex driver that makes installation and removal a breeze.*

**Fit up to 20rds 10mm or 13rds .45cal**

1.52 oz

*Does not work on Subcompact mags where the basepad rails fold "inward."*

Due to design variations, Springer Precision cannot guarantee compatibility with any other manufacturer’s aftermarket magwell, unless otherwise specified. Please call us with any questions.

Current stock: 0

Bulk Pricing:

  • Buy 6 or above and get $3.75 off

Custom Name Engraving +$5
Numbering +$1
1.52 Ounces