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"High-capacity, metal-frame 9mm pistols"
OA Defense makes metal-frame 9mm pistols in the 2311 series, offering optic-ready slides, ported barrels, and high-capacity magazines. We carry 14 in-stock OA Defense items.
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Products
14
In Stock
-
Founded
USA
Origin
All OA Defense Products (14)
OA Defense 2311 9mm 2311COMPACTPROELITESB
OA Defense 2311 9mm 2311COMPACTPROELITEB
OA Defense 2311 Pro 9mm 2311COMPACTPROSPBLK
OA Defense 2311 Pro 9mm 2311COMPACTPROPBLK
OA Defense 2311 9mm 2311COMPACTPROSBLK
OA Defense 2311 Pro 9mm 2311COMPACTPROBLK
OA Defense 2311 9mm 2311COMPACTSTPBLK
OA Defense 2311 Pro Compact 9mm 2311COMPACTSTBLK
OA Defense 2311 9mm 2311FULLSIZEPROELITES
OA Defense 2311 9mm OA2311FULLSIZEPROEL10
OA Defense 2311 Pro 9mm 2311FULLSIZEPROSBLK
OA Defense 2311 Pro 9mm 2311FULLSIZEPROBLK
OA Defense 2311 9mm 2311FULLSIZESTBLK
OA Defense 2311 Pro Elite 9mm Single-Action Metal Frame
About OA Defense
OA Defense focuses on robust, metal-frame 9mm pistols in the 2311 family. Their offerings include full-size and Pro Elite configurations with 5 inch barrels, porting and ported DLC options, and slides machined for optics and serrations for control. Models feature aluminum frames with Picatinny rails, a range of grip materials from polymer to aluminum, ambidextrous controls on several variants, and magazines with capacities up to 21+1. The lineup emphasizes shootability and modularity for competition and duty-style use.
Headquarters
Established
-
Country of Origin
USA
Notable Products
2311 Pro, 2311 Pro Elite, 2311 Full Size 9mm models
Why Choose OA Defense?
Buyers choose OA Defense for durable metal-frame 9mm pistols that offer optic-ready slides, high-capacity magazines, and competition-oriented features.
Hot OA Defense Items September 2026
Trending right now based on the last 30 days of TheGunDock orders + page views.
Oa Defense 2311 Pro Full Size 9mm Luger 21+1 5" Black DLC Po
$2,334.00
✓ In Stock
Oa Defense 2311 w/Plus Kit Compact 9mm Luger 17+1 4.25" Stai
$1,795.00
✓ In Stock
Oa Defense 2311 Pro Elite Compact Frame 9mm Luger 21+1 4.25"
$2,873.00
✓ In Stock
OA Defense 2311 Pro Elite Single Action Semi-automatic Metal
$2,963.00
✓ In Stock
Oa Defense 2311 Pro Elite Full Size 9mm Luger 21+1 5" Black
$2,963.00
✓ In Stock
Oa Defense 2311 Pro w/Plus Kit Compact Frame 9mm Luger 17+1
$2,244.00
✓ In Stock
Oa Defense 2311 Pro Full Size 9mm Luger 21+1 5" Black DLC Bl
$2,334.00
✓ In Stock
Oa Defense 2311 Pro Compact Frame 9mm Luger 15+1 4.25" Porte
$2,155.00
✓ In Stock
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OA Defense 2311 Pro Elite Single Action Semi-automatic Metal
$2,963.00
✓ In Stock
Oa Defense 2311 Full Size 9mm Luger 17+1 5" Stainless Barrel
$1,975.00
✓ In Stock
Oa Defense 2311 Pro Full Size 9mm Luger 21+1 5" Black DLC Po
$2,334.00
✓ In Stock
Oa Defense 2311 Pro Full Size 9mm Luger 21+1 5" Black DLC Bl
$2,334.00
✓ In Stock
Oa Defense 2311 Pro Elite Full Size 9mm Luger 17+1 5" Ported
$2,963.00
✓ In Stock
Oa Defense 2311 Pro Elite Full Size 9mm Luger 21+1 5" Black
$2,963.00
✓ In Stock
Oa Defense 2311 Pro Compact 9mm Luger 15+1 4.25" DLC Black S
$1,706.00
✓ In Stock
Oa Defense 2311 w/Plus Kit Compact 9mm Luger 17+1 4.25" Stai
$1,795.00
✓ In Stock
Oa Defense 2311 Pro Compact Frame 9mm Luger 15+1 4.25" Porte
$2,155.00
✓ In Stock
Oa Defense 2311 Pro Compact Frame 9mm Luger 15+1 4.25" DLC B
$2,155.00
✓ In Stock
Oa Defense 2311 Pro w/Plus Kit Compact Frame 9mm Luger 17+1
$2,244.00
✓ In Stock
Oa Defense 2311 Pro w/Plus Kit Compact Frame 9mm Luger 17+1
$2,244.00
✓ In Stock
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Buyers choose OA Defense for durable metal-frame 9mm pistols that offer optic-ready slides, high-capacity magazines, and competition-oriented features...
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