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Sig Sauer P365 9mm 12-Round Magazine

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Regular Price: $37.99

Special Price $35.79

Availability: In stock

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Sig Sauer P365 9mm 12-Round Magazine

Sig Sauer P365 9mm 12-Round Magazine

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This is a brand new OEM Sig Sauer P365 9mm 12-Round Extended Magazine.

Sig Sauer designed the P365 magazine first and then engineered the firearm around the magazine. The firearm and magazines are extremely small. Because of the size of the magazine and capacity, the springs are stiff.

Please note that these magazines are extremely difficult to load. We have received a number of complaints and inquiries from customers that believe the magazines are defective or have incorrect springs. The mags are not defective but due to the very compact nature of the magazines, the springs are very tight when new. The magazines will loosen up some over time with use. Using a mag loader will help as well.

Also note that we have had a few inquiries from customers regarding marks or what appears to be wear on the magazines. We have observed that quite a few of the magazines have minor marks that appear to be from testing. We called Sig they confirmed they do batch test magazines that could account for some of the marks on the magazines.

Frequently asked questions about the P365 12rd magazines:

Q: Your website says these are in stock. Are they really in stock? A lot of other dealers say they are in stock but then after ordering it turns out they are not in stock.
A: If our website says they are in stock, they are in stock. It is really sad that it is necessary to even have this as a FAQ item but we receive multiple phone calls every day because so many other dealers suck at what they do (or are drop shipping from a distributor) and don't really have them. This often happens with drop shipping because the dealers list inventory at their distributor and they really don't have a handle on what they have listed on their website. We stock all of our inventory in house and don't rely on distributors to fill your order after you order it.

Q: How are you selling these so cheap? Are they real Sig OEM magazines?
A: We buy these magazines by the pallet and that allows us to pass on savings to you. These are OEM Sig Sauer magazines and not a third party knock off magazine.

Additional Information

SKU MAG-365-9-12
UPC Code 798681583621
Caliber 9mm
Manufacturer Sig Sauer
Mag Capacity / Rounds 12rd
Accessory Rail Not Applicable
Warranty Warranty provided by Sig Sauer.

Product Questions

Product Questions

Hello do these come in individual Sig Sauer boxes or are they sold in Bulk? Tim

Referenced product: MAG-365-9-12

These mags come in Sig's OEM packaging meaning their retail packaging. That is normally a box with clam shell but some of their other mags come in Sig logo bags. I believe these specifically, as of this response, come in the box with plastic clam shell.

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is this 12 rd 365 sig mag oem

Referenced product: MAG-365-9-12

Response Date: Feb 7, 2019

These are Sig Sauer brand magazines in Sig packaging. They are not third party mags.

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can you ship a sig sauer extended 12 rd magazine to maryland?

Referenced product: MAG-365-9-12

Response Date: Feb 15, 2019

Unfortunately due to Maryland's laws, we're unable to ship magazines with capacity greater than 10rd into Maryland.

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Will these be back in stock anytime soon and will the sale continue?Thanks,Artie

Referenced product: MAG-365-9-12

Response Date: Mar 5, 2019

As of this response, we've still got over 700 of these magazines in stock with additional shipments coming. The pricing will vary from time to time but we encourage you to order now if you want to take advantage of the sale.

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Are these the first edition 12 rd. mags where they had problems with, or are these the newer improved 12 rd. mags, working flawlessly?

Referenced product: MAG-365-9-12

Response Date: Mar 16, 2019

We aren't aware of any widespread issues with the 12rd magazines but these were received from Sig Sauer within the last 45 days.

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Customer Reviews

Really like the fit. Review by William
Quality
Price
Value
Gotta say the fit in the hand is much better with the 12-rd mags. Makes shooting more comfortable, maybe a bit more accurate to boot. (Posted on 4/14/2019)
12 round Review by Curtis
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The turn around from when I order to when I get the product is amazing. I love the extra grip it gives my hand with the 12 round magazine in my P365. Great product and service. Best price too. Thanks (Posted on 4/11/2019)
Great product, great price, fast shipping Review by Kevin
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The 12 round mag is a must have. I have ordered 2. For those who say they can not get 12 rounds in it you need to use a speed loader. This is a very compact magazine. The spring is tough at first. It most deffinstely will hold all 12. I tried to order from another site similar to this one. They took my money. A week later emailed them to get the status of my shipment. They told me they were on back order. No notification, nothing. I had to send numerous emails to get a refund. These guys had in stock and shipped immediately. The price is even cheaper than when Sig's website had on sale a couple weeks ago. (Posted on 4/11/2019)
Top quality Authentic Sig Sauer Mag Review by Ken
Quality
Price
Value
Arrived in perfect condition, factory new and works flawlessly.
Quick and efficient service from Osage and at a price that was
more than reasonable. I highly recommend this item and this
Company.
(Posted on 4/10/2019)
P365 12 rounder Review by JB
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Value
I ordered 2 of the 12rd mags for my everyday carry p365,as I’m a bigger guy I can conceal the p365 w/the 12rd mag and not imprint the gun!! (Posted on 4/10/2019)
Wow. Fast shipping Review by Frank
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Value
Osage is everything you would want for an online retailer. (I sure wish they were close to me.) Anyway, good prices, fast shipping, and product just as advertised. Great place to do business with. I will be back, for sure (Posted on 4/8/2019)
Nice price, fast shipping, what’re you waiting for? Review by Guy
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Price
Value
Factory fresh 12 rnd P365 magazine. Works like it should, was shipped quickly and at a fair price. Total cost was actually less than if I’d bought it over the counter at my local gun shop. Will definitely keep you guys in mind for my next purchase! (Posted on 4/5/2019)
Spring issue Review by Donald
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Value
I bought 3. None will accept more than 11 rounds (Posted on 4/2/2019)
first puchase from osage county guns Review by richard
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this was my first purchase from osage county guns. shipping was faster than any other product I have ever ordered with the lowest standard shipping rate. this was top quality service on a top quality product and I highly recommend osage county guns (Posted on 3/20/2019)
Fits my mitts Review by Dave
Quality
Price
Value
I have large hands. My pinky folds under the 10-round flat mag, and just partially catches with the extended 10-round. With the 12-round, my pinky lands completely within the mag grip.

This was my first purchase experience from Osage County Guns and it was fantastic. The price was great and my new mags arrived sooner than I expected. Their notifications about order and shipping status are as good as any online retailer. I look forward to being a repeat customer! (Posted on 3/10/2019)
Great service and price Review by Dale
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This is, by far, the best deal for these magazines. I look forward to doing business with Osage County Guns again. Thanks! (Posted on 2/27/2019)
Fast service and great sale price. Review by Mike
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Original manufacturer's mags at highly discounted sale price. Fastest fulfillment and delivery. Highly recommend Osage County Guns. (Posted on 1/29/2019)
Great price - Fast Shipping Review by Marc
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I looked at a bunch of websites for this magazine and Osage had the best price and shipping cost. After the purchase, they provided numerous follow up emails and tracking notifications. In the end, this item arrived very quickly and I attempted to buy another one, but they were out of stock. Great retailer! (Posted on 1/28/2019)
Outstanding service. Great price Review by Ed
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Outstanding service and communication as the purchase went thru the logistics and delivery process. Original product delivered on time and at a great price. (Posted on 1/20/2019)
12 is better than 10 Review by Jeremy
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Value
The price is what brought me to Osage and the customer service is what made me stay. The extended mag made a great gun better. I am now going to replace ALL my 10 round magazines for 12 rounds because of the quality and customer service. I have told me friends also and look forward to them doing the same. (Posted on 1/8/2019)

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