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 32 products

  • Fiocchi | 5.45x45 55 Grain FMJ Boat Tail | 1000 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Fiocchi Rang Dynamics Ammunition - 5.56MM NATO - 55 Grain Full Metal Jacket…

    SKU# 556M193LC

    $545.95
    $0.55 / rd

    1000 rounds per case

    Only 5 left

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  • Fiocchi | 5.45x45 55 Grain FMJ Boat Tail | 50 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Fiocchi Rang Dynamics Ammunition - 5.56MM NATO - 55 Grain Full Metal Jacket…

    SKU# 556M193L-50

    $27.50
    $0.55 / rd

    50 rounds per case

    100 in stock

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  • Winchester Lake City | 5.56mm 55gr FMJ | 150 Rounds
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45mm NATO - 55 Grain Full Metal Jac…

    SKU# WM193150-150

    $75.50
    $0.50 / rd

    150 rounds per case

    33 in stock

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  • PMC | 5.56 NATO 62gr FMJ | 1000 Rounds
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    • 5.56x45mm
    • 62 gr
    • Brass

    PMC X-TAC Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket LAP - 1000 R…

    SKU# 556KC

    $475.95
    $0.48 / rd

    1000 rounds per case

    10 in stock

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  • Aguila | 5.56x45 MM NATO 55 Grain FMJ | 450 Rounds
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    • 5.56x45mm NATO
    • 55 gr
    • Brass

    Aguila Ammunition - 5.56x45 MM NATO - 55 Grain Full Metal Jacket - 450 Roun…

    SKU# 1E556155

    $228.95
    $0.51 / rd

    450 rounds per case

    12 in stock

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  • Prvi | 5.56x45 MM | 20 Rounds
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    • 5.56x45mm
    • Brass

    Prvi Partizan Ammunition - 5.56x45 MM - M200 Blanks - 20 Rounds

    SKU# PPB556

    $10.55
    $0.53 / rd

    20 rounds per case

    Only 5 left

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  • Hornady | 5.56x45mm NATO 55gr CX | 20 Rounds
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    • 5.56
    • 55 gr
    • Brass

    Hornady Superformance Ammunition - 5.56x45 MM NATO - 55 Grain CX Lead Free …

    SKU# 812544

    $26.95
    $1.35 / rd

    20 rounds per case

    31 in stock

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  • Hornady | 5.56x45mm NATO 75gr JSP | 20 Rounds
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    • 5.56x45
    • 75 gr
    • Brass

    Hornady Black Ammunition - 5.56x45 MM - 75 Grain Interlock HD SBR - 20 Roun…

    SKU# 81296-20

    $21.95
    $1.10 / rd

    20 rounds per case

    12 in stock

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  • PMC X-TAC Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket LAP - 20 Rounds - Brass Case
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    • 5.56x45mm
    • 62 gr
    • Brass

    PMC X-TAC Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket LAP - 20 Rou…

    SKU# 556K-20

    $9.75
    $0.49 / rd

    20 rounds per case

    268 in stock

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  • Wolf Ammunition - 5.56x45mm NATO M193 - 55 Grain Full Metal Jacket - 20 Rounds - Brass Case
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    • 5.56
    • 55 gr
    • Brass

    Wolf Ammunition - 5.56x45mm NATO M193 - 55 Grain Full Metal Jacket - 20 Rou…

    SKU# WM193-20

    $9.95
    $0.50 / rd

    20 rounds per case

    30 in stock

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  • Frontier Ammunition - 5.56 NATO - 55 Grain Full Metal Jacket (M193) - 20 Rounds - Brass Case
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    • 5.56
    • 55 gr
    • Brass

    Frontier Ammunition - 5.56 NATO - 55 Grain Full Metal Jacket (M193) - 20 Ro…

    SKU# FR200-20

    $9.75
    $0.49 / rd

    20 rounds per case

    91 in stock

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  • Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 20 Rounds - Brass Case
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jac…

    SKU# WM193K-20

    $10.10
    $0.51 / rd

    20 rounds per case

    188 in stock

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  • Frontier Ammunition - 5.56x45mm NATO - 62 Grain Full Metal Jacket Boat Tail - 20 Rounds - Brass Case
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    • 5.56
    • 62 gr
    • Brass

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

    SKU# FR260-20

    $10.20
    $0.51 / rd

    20 rounds per case

    12 in stock

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  • Frontier | 5.56x45mm NATO 75gr HP | 20 Rounds
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    • 5.56
    • 75 gr
    • Brass

    Frontier Ammunition - 5.56x45 MM NATO - 75 Grain Boat Tail Hollow Point Mat…

    SKU# FR320-20

    $13.50
    $0.68 / rd

    20 rounds per case

    194 in stock

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  • Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 1000 Rounds - Brass Case
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jac…

    SKU# WM193K

    $499.95
    $0.50 / rd

    1000 rounds per case

    Only 5 left

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  • Winchester Lake City | 5.56mm 55gr FMJ | 600 Rounds
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45mm NATO - 55 Grain Full Metal Jac…

    SKU# WM193150

    $298.95
    $0.50 / rd

    600 rounds per case

    Only 7 left

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  • Winchester Lake City | 5.56mm 55gr FMJ | 800 Rounds
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jac…

    SKU# WM193200C

    $409.95
    $0.51 / rd

    800 rounds per case

    10 in stock

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  • Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jacket - 200 Rounds
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    • 5.56
    • 55 gr
    • Brass

    Winchester Lake City Ammunition - 5.56x45 MM - 55 Grain M193 Full Metal Jac…

    SKU# WM193200B

    $102.95
    $0.51 / rd

    200 rounds per case

    25 in stock

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  • Wolf Ammunition - 5.56x45mm NATO M193 - 55 Grain Full Metal Jacket - 1000 Rounds - Brass Case
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    • 5.56
    • 55 gr
    • Brass

    Wolf Ammunition - 5.56x45mm NATO M193 - 55 Grain Full Metal Jacket - 1000 R…

    SKU# WM193C

    $497.00
    $0.50 / rd

    1000 rounds per case

    Only 2 left

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  • Frontier | 5.56x45mm NATO 75gr HP | 500 Rounds
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    • 5.56
    • 75 gr
    • Brass

    Frontier Ammunition - 5.56x45 MM NATO - 75 Grain Boat Tail Hollow Point Mat…

    SKU# FR320

    $335.00
    $0.67 / rd

    500 rounds per case

    Only 5 left

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  • PMC | 5.56mm 55gr | 1000 Rounds
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    • 5.56x45mm
    • 55 gr
    • Brass

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

    SKU# 5.56XC

    Out of stock

    1000 rounds per case

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  • Wolf | 5.56x45 MM 62gr FMJ | 20 Rounds
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    • 5.56x45mm NATO
    • 62 gr
    • Brass

    Wolf Ammunition - 5.56x45 MM NATO M855 - 62 Grain Full Metal Jacket - 20 R…

    SKU# WM855-20

    Out of stock

    20 rounds per case

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  • Hornady | 5.56x45mm NATO 62gr Full Meatal Jacket | 20 Rounds
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    • 5.56x45
    • 62 gr
    • Brass

    Hornady Black Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket - 20 Rou…

    SKU# 81263-20

    Out of stock

    20 rounds per case

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  • OMPC | 5.56 NATO 62gr FMJ | 20 Rounds
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    • 5.56x45mm Nato
    • 62 gr
    • Brass

    OMPC Ammunition - 5.56x45 MM NATO - 62 Grain SS109 Full Metal Jacket - 20 R…

    SKU# OMC556-20

    Out of stock

    20 rounds per case

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  • OMPC | 5.56 NATO 62gr FMJ | 800 Rounds
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    • 5.56x45mm Nato
    • 62 gr
    • Brass

    OMPC Ammunition - 5.56x45 MM NATO - 62 Grain SS109 Full Metal Jacket - 800 …

    SKU# OMC556-800

    Out of stock

    800 rounds per case

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  • Prvi | 5.56x45 MM | 20 Rounds
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    • 5.56x45mm
    • Brass

    Prvi Partizan Ammunition - 5.56x45 MM - M200 A1 Blanks - 20 Rounds

    SKU# PPB556A1

    Out of stock

    20 rounds per case

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

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

    SKU# WM1931000

    Out of stock

    1000 rounds per case

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  • Barnes | 5.56mm 70gr | 20 Rounds
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    • 5.56
    • 70 gr
    • Brass

    Barnes Ammunition - 5.56x45 MM - 70 Grain TSX BT Lead Free - 20 Rounds - Br…

    SKU# BB556X2-20

    Out of stock

    20 rounds per case

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  • Federal | 5.56x45mm NATO 55gr FMJ | 20 Rounds
    Quick view

    • 5.56x45
    • 55 gr
    • Brass

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

    SKU# XM193C-20

    Out of stock

    20 rounds per case

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  • SDI | 5.56mm 62gr | 1000 Rounds
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    • 5.56 MM
    • 62 gr
    • Brass

    SDI Ammunition - 5.56x45 MM - 62 Grain Full Metal Jacket - 1000 Rounds W/ F…

    SKU# SDI5561000-M855

    Out of stock

    1000 rounds per case

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  • SDI | 5.56mm 55gr | 1000 Rounds
    Quick view

    • 5.56 MM
    • 55 gr
    • Brass

    SDI Ammunition - 5.56x45 MM - 55 Grain Full Metal Jacket - 1000 Rounds W/ F…

    SKU# SDI5561000-M193

    Out of stock

    1000 rounds per case

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  • Norma | 5.56 NATO 62gr FMJ | 50 Rounds
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    • 5.56x45
    • 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

    View Details

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