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Family Owned and Operated Ammo Sales, Stillwater OK

ATTENTION FLORIDA CUSTOMERS: ORDER AMMO AT OUR STORE 'SALES TAX-FREE' DURING FLORIDA'S 2ND AMENDMENT TAX HOLIDAY! CLIENTS EVERYWHERE ELSE, CONTACT YOUR STATE REPRESENTATIVE TO VOICE YOUR DESIRE FOR YOUR STATE TO NOT TAX THE 2ND AMENDMENT AS WELL. Orders placed at this time are estimated to take 1 to 2 business days to be shipped out of our warehouse, then normal UPS ground transit times from our warehouse in Oklahoma to you. FREE SHIPPING on any order with a subtotal of $200 or more.

5.7x28 Ammo

Shop 5.7x28 Ammo – High-Velocity Rounds In Stock Now

Discover a premium selection of 5.7x28mm ammunition at SGAmmo, your trusted source for high-performance pistol and PDW rounds at warehouse-direct prices. We offer leading brands like FN Herstal, Federal, Hornady, and Speer—featuring Full Metal Jacket (FMJ) rounds for training and target use, as well as specialized Hollow Point (HP) and defensive loads for personal protection and tactical applications.

Originally developed by FN Herstal in the late 1980s for military and law enforcement use, the 5.7x28mm cartridge delivers high velocity, low recoil, and armor-penetrating capabilities in a lightweight, compact design. Paired with firearms like the FN Five-seveN pistol and P90 PDW, this cartridge offers a flat trajectory and superior accuracy, making it a standout choice for sport shooting, home defense, and duty use. Its small-caliber, high-velocity performance also makes it ideal for users looking for fast follow-up shots and controllability under stress.

All inventory is live and ready to ship—no backorders or drop shipping. With competitive pricing, fast shipping, and real-time stock updates, SGAmmo is your go-to destination to stock up on 5.7x28 ammo for range days, defensive needs, or tactical loadouts. Shop now and take advantage of the best deals on 5.7x28 ammunition in stock today!

Image Name Qty. In Stock Price
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

50 Round Box - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A
150+ $23.95 Each 10+ @$22.95 ($0.48 Per Round)

500 Round Case - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A-case
30+ $229.50 Each FREE
SHIPPING
20+ @$199.95 ($0.46 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

1000 Rounds - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A - 2CASES
25+ $439.00 Each FREE
SHIPPING
10+ @$399.95 ($0.44 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

10,000 Rounds - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A - 20 Cases
6+ $3,999.50 Each FREE
SHIPPING
1+ @$3,999.50 ($0.40 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

1000 Round Can - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A - Packed in M19A1 Canister

SKU: AE5728A-1000AC
25+ $449.95 Each FREE
SHIPPING
10+ @$409.95 ($0.45 Per Round)
5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

50 Round Box - 5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

SKU: 10700022
120+ $47.95 Each 10+ @$46.95 ($0.96 Per Round)
5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

500 Round Brick - 5.7x28 27 Grain SS198LF Lead Free Cartridge High Performance Ammo 10700022

SKU: 10700022-500
12+ $469.50 Each FREE
SHIPPING
4+ @$459.50 ($0.94 Per Round)
5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo – 25728GD

50 Round Box - 5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo - 25728GD

SKU: 25728GD - Box
109 $48.95 Each 10+ @$47.95 ($0.98 Per Round)
5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo – 25728GD

500 Round Case - 5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo - 25728GD

SKU: 25728GD - Case
12+ $479.50 Each FREE
SHIPPING
1+ @$479.50 ($0.96 Per Round)
5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

25 Round Box - 5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

SKU: 90001 - Box
90+ $25.95 Each 10+ @$22.95 ($1.04 Per Round)
5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

250 Round Case - 5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

SKU: 90001 - Case
12+ $229.50 Each FREE
SHIPPING
2+ @$219.50 ($0.92 Per Round)
5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

25 Round Box - 5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

SKU: 90000 - Box
120+ $27.95 Each 10+ @$24.95 ($1.12 Per Round)
5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

250 Round Case - 5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

SKU: 90000 - Case
12+ $249.50 Each FREE
SHIPPING
2+ @$239.50 ($1.00 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

50 Round Box - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A
150+ In Stock
$23.95 Each 10+ @$22.95 ($0.48 Per Round)

500 Round Case - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A-case
30+ In Stock
$229.50 Each
FREE SHIPPING
20+ @$199.95 ($0.46 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

1000 Rounds - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A - 2CASES
25+ In Stock
$439.00 Each
FREE SHIPPING
10+ @$399.95 ($0.44 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

10,000 Rounds - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

SKU: AE5728A - 20 Cases
6+ In Stock
$3,999.50 Each
FREE SHIPPING
1+ @$3,999.50 ($0.40 Per Round)
5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A

1000 Round Can - 5.7x28 40 Grain TMJ or FMJ Federal Ammo - AE5728A - Packed in M19A1 Canister

SKU: AE5728A-1000AC
25+ In Stock
$449.95 Each
FREE SHIPPING
10+ @$409.95 ($0.45 Per Round)
5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

50 Round Box - 5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

SKU: 10700022
120+ In Stock
$47.95 Each 10+ @$46.95 ($0.96 Per Round)
5.7x28 27 Grain SS198LF Green Tip Lead Free Cartridge High Performance Ammo - 10700020

500 Round Brick - 5.7x28 27 Grain SS198LF Lead Free Cartridge High Performance Ammo 10700022

SKU: 10700022-500
12+ In Stock
$469.50 Each
FREE SHIPPING
4+ @$459.50 ($0.94 Per Round)
5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo – 25728GD

50 Round Box - 5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo - 25728GD

SKU: 25728GD - Box
109 In Stock
$48.95 Each 10+ @$47.95 ($0.98 Per Round)
5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo – 25728GD

500 Round Case - 5.7x28mm 40 Grain Speer Gold Dot Hollow Point Ammo - 25728GD

SKU: 25728GD - Case
12+ In Stock
$479.50 Each
FREE SHIPPING
1+ @$479.50 ($0.96 Per Round)
5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

25 Round Box - 5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

SKU: 90001 - Box
90+ In Stock
$25.95 Each 10+ @$22.95 ($1.04 Per Round)
5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

250 Round Case - 5.7x28mm 40 Grain V-Max Hornady Black Ammo - 90001

SKU: 90001 - Case
12+ In Stock
$229.50 Each
FREE SHIPPING
2+ @$219.50 ($0.92 Per Round)
5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

25 Round Box - 5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

SKU: 90000 - Box
120+ In Stock
$27.95 Each 10+ @$24.95 ($1.12 Per Round)
5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

250 Round Case - 5.7x28mm 40 Grain FTX Hornady Critical Defense Ammo - 90000

SKU: 90000 - Case
12+ In Stock
$249.50 Each
FREE SHIPPING
2+ @$239.50 ($1.00 Per Round)