Rifle

Shop 5.56x45 Ammunition - Bulk & Boxed

Reliable 5.56x45 Ammo for Range, Defense, and Duty Use

Shop 5.56x45mm NATO ammunition at MiWallCorp for military-spec rifles and tactical applications. Whether you need 5.56 NATO, 5.56x45, or .223 compatible rounds, our selection includes M193, M855, and match-grade loads from Federal, Winchester, and Lake City. Designed for AR-15 platforms and military rifles, 5.56x45 offers superior ballistics and reliability for tactical and sporting use.

Showing 30 products

  • Norma | 5.56 NATO 62gr FMJ | 50 Rounds
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Norma Tactical Ammunition - 5.56x45 MM NATO - 62 Grain SS109 Full Metal Jac…

    SKU# 2420707-50

    Out of stock

    50 rounds per case

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  • Winchester | 5.56mm 55gr | 1000 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Winchester Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 1000…

    SKU# SGM193KW

    Out of stock

    1000 rounds per case

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  • Winchester | 5.56mm 55gr | 20 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Winchester Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 20 R…

    SKU# SGM193KW-20

    Out of stock

    20 rounds per case

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  • Miwall | 5.56x45mm NATO 55gr SP | 200 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Miwall New Ammunition - 5.56x45 MM - 55 Grain Soft Point - 200 Rounds W/ Fr…

    SKU# BLKN556SP200

    Out of stock

    200 rounds per case

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  • Winchester | 5.56 NATO 62gr FMJ | 20 Rounds
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket -…

    SKU# WM855K-20

    Out of stock

    20 rounds per case

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  • Federal | 5.56mm 55gr | 20 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Federal AE Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 20 R…

    SKU# XM193X-20

    Out of stock

    20 rounds per case

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  • Sellier & Bellot Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Sellier & Bellot Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket …

    SKU# SB556A-20

    Out of stock

    20 rounds per case

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  • Winchester Ammunition - 5.56x45 MM NATO - 62 Grain Full Metal Jacket - 1000 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Ammunition - 5.56x45 MM NATO - 62 Grain Full Metal Jacket - 1000…

    SKU# WM8551000

    Out of stock

    1000 rounds per case

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  • Federal Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 420 Rounds in Military 30 Cal Can - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Federal Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 420 Rou…

    SKU# XM193BK420 AC1X

    Out of stock

    420 rounds per case

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  • Federal American Eagle Ammunition - 5.56x45 MM NATO - 62 Grain Full Metal Jacket Boat Tail - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Federal American Eagle Ammunition - 5.56x45 MM NATO - 62 Grain Full Metal J…

    SKU# XM855FL-20

    Out of stock

    20 rounds per case

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  • Winchester Valor Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jacket - 125 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Valor Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jacket …

    SKU# USA855125

    Out of stock

    125 rounds per case

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  • PMC X-Tac Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket Boat Tail - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    PMC X-Tac Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket Boat Ta…

    SKU# 5.56X-20

    Out of stock

    20 rounds per case

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  • Hornady Superformance Ammunition - 5.56x45 MM NATO - 55 Grain GMX (Lead Free) - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Hornady Superformance Ammunition - 5.56x45 MM NATO - 55 Grain GMX (Lead Fre…

    SKU# 81254-20

    Out of stock

    20 rounds per case

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  • Federal American Eagle Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 100 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Federal American Eagle Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal J…

    SKU# XM193BLX-100

    Out of stock

    100 rounds per case

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  • Winchester Lake City Ammunition M855 - 5.56x45 MM - 62 Grain Full Metal Jacket - 20 Rounds - Brass Case
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    • 5.56 MM
    • 62 gr
    • Brass

    Winchester Lake City Ammunition M855 - 5.56x45 MM - 62 Grain Full Metal Jac…

    SKU# USA855K-20

    Out of stock

    20 rounds per case

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  • Independence Ammunition - 5.56x45 MM - 55 Grain Full Metal Jacket - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Independence Ammunition - 5.56x45 MM - 55 Grain Full Metal Jacket - 20 Roun…

    SKU# XM193I-20

    Out of stock

    20 rounds per case

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  • Federal American Eagle Ammunition - 5.56x45mm NATO - 55 Grain XM193 Full Metal Jacket Boat Tail - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Federal American Eagle Ammunition - 5.56x45mm NATO - 55 Grain XM193 Full Me…

    SKU# XM193-20

    Out of stock

    20 rounds per case

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  • Hornady SuperFormance Ammunition - 5.56x45 NATO - 75 Grain Boat Tail Hollow Point - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 75 gr
    • Brass

    Hornady SuperFormance Ammunition - 5.56x45 NATO - 75 Grain Boat Tail Hollow…

    SKU# 81264-20

    Out of stock

    20 rounds per case

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  • Barnes Ammunition - 5.56x45 MM - 52 Grain Open Tip Lead Free - 20 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 52 gr
    • Brass

    Barnes Ammunition - 5.56x45 MM - 52 Grain Open Tip Lead Free - 20 Rounds -…

    SKU# BB556Z1-20

    Out of stock

    20 rounds per case

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  • Magtech Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 50 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Magtech Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 50 Roun…

    SKU# 556A-50

    Out of stock

    50 rounds per case

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  • Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jacket - 420 Rounds
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jac…

    SKU# WM855420CS

    Out of stock

    420 rounds per case

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  • Winchester Lake City Ammunition M855 - 5.56x45 MM - 62 Grain Full Metal Jacket - 1000 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Lake City Ammunition M855 - 5.56x45 MM - 62 Grain Full Metal Jac…

    SKU# WM855K-1K

    Out of stock

    1000 rounds per case

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  • Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jacket - 600 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jac…

    SKU# WM855150

    Out of stock

    600 rounds per case

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  • Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jacket - 200 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 62 Grain M855 Full Metal Jac…

    SKU# WM855200B

    Out of stock

    200 rounds per case

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  • Frontier Cartridge Military Grade 5.56x45mm NATO 62 Grain Boat Tail Hollow Point Match - 500 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Frontier Cartridge Military Grade 5.56x45mm NATO 62 Grain Boat Tail Hollow…

    SKU# FR300

    Out of stock

    500 rounds per case

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  • Winchester Ammunition - 5.56x45 MM - 55 Grain Full Metal Jacket - 1000 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Winchester Ammunition - 5.56x45 MM - 55 Grain Full Metal Jacket - 1000 Rou…

    SKU# USA556LK

    Out of stock

    1000 rounds per case

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  • Hornady SuperFormance Ammunition - 5.56x45 NATO - 75 Grain Boat Tail Hollow Point - 200 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 75 gr
    • Brass

    Hornady SuperFormance Ammunition - 5.56x45 NATO - 75 Grain Boat Tail Hollow…

    SKU# 81264

    Out of stock

    200 rounds per case

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  • Frontier Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 150 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Frontier Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 150 R…

    SKU# FR2015

    Out of stock

    150 rounds per case

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  • Frontier Ammunition - 5.56x45mm NATO - 62 Grain Full Metal Jacket Boat Tail - 500 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 62 gr
    • BRASS

    Frontier Ammunition - 5.56x45mm NATO - 62 Grain Full Metal Jacket Boat Tail…

    SKU# FR260

    Out of stock

    500 rounds per case

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  • Frontier Ammunition - 5.56 NATO - 55 Grain Full Metal Jacket (M193) - 500 Rounds - Brass Case
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Frontier Ammunition - 5.56 NATO - 55 Grain Full Metal Jacket (M193) - 500 R…

    SKU# FR200

    Out of stock

    500 rounds per case

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