+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Warne SIG Sauer P320 9mm Magazine Extension Up to 20% Off — 5 models

Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Black, 3206-3RD
Warne SIG Sauer P320 9mm Magazine Extension, Capacity +3, Black, MESIG-3/2BLK
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Black, 3206-3RD
1 of 2 images
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Black, 3206-3RD
Warne SIG Sauer P320 9mm Magazine Extension, Capacity +3, Black, MESIG-3/2BLK
2 of 2 images
Warne SIG Sauer P320 9mm Magazine Extension, Capacity +3, Black, MESIG-3/2BLK

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Will this extension fit the 15 rounds magazine for Sig P320 X Compact ? Expert Answer

The Warne SIG Sauer P320 9mm Magazine Extension should work with that magazine.

by Hunter, Gear Expert, June 27, 2023
Do these come with the spring or is that a separate part? Expert Answer

The Warne SIG Sauer P320 9mm Magazine Extension will include an additional spring to replace your factory magazine spring.

by Ethan, Gear Expert, March 21, 2023
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Don't listen to the Clueless... by Jim K., Verified Owner, January 8, 2023
I have read multiple forums and reviews (not on OP) stating these do not work with the pre-installed magwells. I ordered these then read the reviews and some forums and was ready to send them back... when I got them I figured I would try them just in...
Read More...
2/2 found this helpful
Most Recent Reviews Warne +3 mag extension by Nuke, Verified Owner, January 8, 2025
These magazine extensions work very well without adding excessive length to the grip of the pistol. When combined with Grams Engineering spring and follower, the magazines reliably hold and feed 20 rounds.
Most Recent Reviews Clean Looking. by Judson, Verified Owner, February 8, 2024
New product for Warne, I have no complaints with them, well, the screw not bad but it's in the front and it's a bit big, mildly obnoxious lol. But seriously they did a decent job. I've heard and saw some YouTube reviews say that the rounds rattle I c...
Read More...
Read All 3 Reviews

Earn Bonus Bucks

Learn more about OpticsPlanet Bucks
20% Bonus Bucks
Get even more OpticsPlanet Bucks with the purchase of select models to use on future purchases! You will find the amount you'll earn near eligible models.
Show In Stock Only
5 Models Available

Show with deals only:

Bonus Bucks
Color
All
Magazine Capacity
All
Search

Product Info for Warne SIG Sauer P320 9mm Magazine Extension

Warne Handgun Magazine Extensions are available in increased capacity models for 10 round capacity limits. These extensions feature an ergonomic shape that allows for better insertion, and finger grooves, allowing the magazine to be stripped from the handgun if needed.image

Specifications for Warne SIG Sauer P320 9mm Magazine Extension:

Manufacturer: Warne
Fabric/Material: 6061-T6 Aluminum
Finish: Type II Hardcoat Anodized
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320
Projectile Caliber: .355 Caliber

Features of Warne SIG Sauer P320 9mm Magazine Extension

  • Torx head screw and washer for retention

Package Contents:

  • Warne SIG Sauer P320 9mm Magazine Extension

Warne SIG Sauer P320 9mm Magazine Extension Orderable Models

List of Orderable Models

Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 5-Round, Gray, 3214-5RD , MPN: 3214 , UPC: 656813108015 , Code: UY-PME-ME7-3214-5RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Black, 3206-3RD , MPN: 3206 , UPC: 656813107933 , Code: UY-PME-ME7-3206-3RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 5-Round, Black, 3211-5RD , MPN: 3211 , UPC: 656813107988 , Code: UY-PME-ME7-3211-5RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Dark Eath, 3208-3RD , MPN: 3208 , UPC: 656813107957 , Code: UY-PME-ME7-3208-3RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 5-Round, Dark Eath, 3213-5RD , MPN: 3213 , UPC: 656813108008 , Code: UY-PME-ME7-3213-5RD

Warne SIG Sauer P320 9mm Magazine Extension Unavailable & Discontinued Models

List of Unorderable Models

Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Gray, 3209-3RD , MPN: 3209 , UPC: 656813107964 , Code: UY-PME-ME7-3209-3RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Red, 3210-3RD , MPN: 3210 , UPC: 656813107971 , Code: UY-PME-ME7-3210-3RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 3-Round, Blue, 3207-3RD , MPN: 3207 , UPC: 656813107940 , Code: UY-PME-ME7-3207-3RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 5-Round, Blue, 3212-5RD , MPN: 3212 , UPC: 656813107995 , Code: UY-PME-ME7-3212-5RD
Warne SIG Sauer P320 Extended Magazine Base Pad, 9mm, 5-Round, Red, 3215-5RD , MPN: 3215 , UPC: 656813108022 , Code: UY-PME-ME7-3215-5RD
Compare (0)
1 item has been added
Add at least two items to compare