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.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded 8900443 Color: Black, Barrel Length: 5.5 in, 17% Off w/ Free Shipping
This SIG SAUER P320 9 mm 5.5in Pistol Barrel is compatible with the Sig Sauer M17, however, you will need to remove the LCI and spring located under the rear sight.
Not a whole lot to say about this barrel other than it's OEM, seems to shoot as well as an OEM barrel ought to (I'm not shooting precision with it so can't weigh in on those fractions of MOA evaluations) and cycles and feeds like it should. I had it ...
Read More...
12/12 found this helpful
Helpful Positive Review
Sweet barrel!
by
Drew,
Verified Owner,
March 24, 2022
Just what I was looking for my M17. Perfect fit after taking the lci out which is super easy to do. Highly recommend getting this if you want to run muzzle accessories, or suppressed. Looks like it was made for the barrel.
Please be forewarned, this will not work with the M17 due to loaded chamber indicator.
Outstanding Sig Sauer quality and delivered quickly by Optic Planet.
Please be forewarned, this will not work with the M17 due to loaded chamber indicator.
I bought the Threaded Sig P320 Full Size Barrel. Both are awesome and as expected to be used to install a compensator or suppressor on the Sig P320 models. CAUTION to purchasers who wish to replace the Sig P320 X-Five Legion "bull barrel" with the fu...
Read More...
2/2 found this helpful
Helpful Positive Review
Works great
by
Mike,
Verified Owner,
November 3, 2023
Works great just know if you have an M17/M18 version you'll have to remove the LCI... super easy just an extra step.
It’s probably perfect for any other P320. For an X5 Legion, it doesn’t fit. Total waste of time and money for me. Also, Thankfully I was at a range that was also a registered Sig Sauer dealer. The Range Officer told me there that sir had sent out a m...
Read More...
Color: Black Barrel Length: 5.5 inThreads per Inch: 1/2x28 Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P250 , SIG Sauer P320 Full Size Condition: New
Product Info for SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded
Replacement barrel for SIG SAUER P320/P250 Full-size, chambered in 9mm. 4.7in long. SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability.
Specifications for SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded:
Manufacturer:
SIG SAUER
Color:
Black
Barrel Length:
5.5 in
Threads per Inch:
1/2x28
Caliber:
9mm Luger
Gun Make:
SIG Sauer
Gun Model:
SIG Sauer P320 Full Size, SIG Sauer P250
Condition:
New
Package Contents:
SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded
SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded Orderable Models
List of Orderable Models
SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, MPN:
8900443, UPC: 798681643318, Code: SD9-PTB-SIG208-8900443
SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded Unavailable & Discontinued Models
List of Unorderable Models
DEMO, SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, MPN:
8900443-DEMO, Code: SD9-PTB-SIG208-8900443-DEMO
USED SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, EDEMO4, Excellent, Inspect and Rebox, MPN:
8900443-EDEMO4, Code: SD9-PTB-SIG208-8900443-EDEMO-RE-B
USED SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, EDEMO3, Condition Like New, Inspect and Rebox, MPN:
8900443-EDEMO3, Code: SD9-PTB-SIG208-8900443-EDEMO-RE-A
USED, SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, MPN:
8900443-EDEMO, Code: SD9-PTB-SIG208-8900443-EDEMO-RE-C
USED SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, EDEMO1, Used, Condition Like New, MPN:
8900443-EDEMO1, Code: SD9-PTB-SIG208-8900443-EDEMO1
USED, SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443, MPN:
8900443-EDEMO, Code: SD9-PTB-SIG208-8900443-EDEMO-US-C
Compare (0)
1 item has been added
Add at least two items to compare
Remove All
(3)
(0)
(0)
(2)
(9)
1 of 1 images
SIG SAUER Pistol Barrel, P320, 9 mm, 5.5in Threaded, Black, 8900443
Tap Tap to Zoom
You can only compare up to 4 products.
Please remove a product before adding another one to your comparison view.