Search
Dealer Locator
Promotions
My Cart
Sign In
Menu

Modern Sporting 5.56 Rifles

Modern sporting 5.56 rifles offer versatility and performance for a wide range of shooting activities, from recreational target practice to competitive events. Engineered for reliability and adaptability, these rifles are designed to meet the needs of both new enthusiasts and experienced marksmen. With options that support various accessories and configurations, modern sporting 5.56 rifles deliver precision and control in a platform that continues to set the standard for modern shooters. Explore the selection to find the ideal rifle that matches your shooting style and preferences.

per page
  1. MCX-SPEAR LT AR CONVERSION KIT - 16" 5.56 NATO
    MCX-SPEAR LT AR CONVERSION KIT - 16" 5.56 NATO
    5
    (30)
    $2199.99
    FREE SHIPPING ON ORDERS OF $100+
    View Product
  2. SIGM400 SDI, 5.56 NATO, RIFLE, 16IN, X RIFLE, BLK, SEMI, TELE STOCK, (1) 30RD MAG, ROMEO5 GEN II, FOXTROT-MSR FULL SIZE
    SIGM400 SDI, 5.56 NATO, RIFLE, 16IN, X RIFLE, BLK, SEMI, TELE STOCK, (1) 30RD MAG, ROMEO5 GEN II, FOXTROT-MSR FULL SIZE
    View Product
  3. SIGMCX SPEAR, 556 NATO, SBR, 11-5IN, FDE, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG
    SIGMCX SPEAR, 556 NATO, SBR, 11-5IN, FDE, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  4. SIGM400, 5.56 NATO, RIFLE, 16IN, PRO, FDE, SEMI, FOLD SIGHTS, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, RIFLE, 16IN, PRO, FDE, SEMI, FOLD SIGHTS, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  5. SIGMCX, 5.56 NATO, PISTOL, 7.75IN, RATTLER LT, BLK, SEMI, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, PISTOL, 7.75IN, RATTLER LT, BLK, SEMI, AL MLOK HG, (1) 30RD MAG
    View Product
  6. SIGM400, 5.56 NATO, RIFLE, 16IN, FORGE, FDE, SEMI, ROMEO-MSR GEN II, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, RIFLE, 16IN, FORGE, FDE, SEMI, ROMEO-MSR GEN II, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  7. SIGMCX, 5.56 NATO, RIFLE, 16IN, IR CERAKOTE, FDE, SEMI, FOLD TELE, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, RIFLE, 16IN, IR CERAKOTE, FDE, SEMI, FOLD TELE, AL MLOK HG, (1) 30RD MAG
    View Product
  8. SIGM400, 5.56 NATO, PISTOL, 11.5IN, TREAD V2, BLK, SEMI, BSL BRACE, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, PISTOL, 11.5IN, TREAD V2, BLK, SEMI, BSL BRACE, AL MLOK HG, (1) 30RD MAG
    View Product
  9. SIGM400, 5.56 NATO, RIFLE, 16IN, ROSE, BLK, SEMI, ROMEO 5X2, TELE STOCK, AL MLOK HG, (2) 30RD PL MAG
    SIGM400, 5.56 NATO, RIFLE, 16IN, ROSE, BLK, SEMI, ROMEO 5X2, TELE STOCK, AL MLOK HG, (2) 30RD PL MAG
    View Product
  10. SIGM400, 5.56 NATO, RIFLE, 16IN, TREAD COIL V2, BLK, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG, ROMEO5 GEN II
    SIGM400, 5.56 NATO, RIFLE, 16IN, TREAD COIL V2, BLK, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG, ROMEO5 GEN II
    View Product
  11. SIGMCX, 5.56 NATO, SBR, 11.5IN, IR CERAKOTE, FDE, SEMI, FOLD TELE, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, SBR, 11.5IN, IR CERAKOTE, FDE, SEMI, FOLD TELE, AL MLOK HG, (1) 30RD MAG
    View Product
  12. SIGM400 SDI, 5.56 NATO, RIFLE, 16 IN, X RIFLE, FDE, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIGM400 SDI, 5.56 NATO, RIFLE, 16 IN, X RIFLE, FDE, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  13. SIG516 G3, 5.56 NATO, RIFLE, 16 IN, BLK, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIG516 G3, 5.56 NATO, RIFLE, 16 IN, BLK, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  14. SIGM400, 5.56 NATO, RIFLE, 16IN, PRO, FDE, SEMI, FOLD SIGHTS, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, RIFLE, 16IN, PRO, FDE, SEMI, FOLD SIGHTS, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  15. SIGMCX, 5.56 NATO, PISTOL, 11.5IN, IR CERAKOTE, FDE, SEMI, FOLD PCB, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, PISTOL, 11.5IN, IR CERAKOTE, FDE, SEMI, FOLD PCB, AL MLOK HG, (1) 30RD MAG
    View Product
  16. SIGM400, 5.56 NATO, PISTOL, 11.5IN, FORGE, BLK, SEMI, ROMEO-MSR GEN II, BSL BRACE, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, PISTOL, 11.5IN, FORGE, BLK, SEMI, ROMEO-MSR GEN II, BSL BRACE, AL MLOK HG, (1) 30RD MAG
    View Product
  17. SIGMCX-R, 5.56 NATO, RIFLE, 16IN, COY, SEMI, FIXED, AL MLOK HG, (1) 10RD MAG, ROMEO 2
    SIGMCX-R, 5.56 NATO, RIFLE, 16IN, COY, SEMI, FIXED, AL MLOK HG, (1) 10RD MAG, ROMEO 2
    View Product
  18. SIGMCX, 5.56 NATO, PISTOL, 7.75IN, RATTLER LT, BLK, SEMI, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, PISTOL, 7.75IN, RATTLER LT, BLK, SEMI, AL MLOK HG, (1) 30RD MAG
    View Product
  19. SIGMCX, 5.56 NATO, SBR, 7.75IN, RATTLER LT, BLK, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG
    SIGMCX, 5.56 NATO, SBR, 7.75IN, RATTLER LT, BLK, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  20. SIGM400, 5.56 NATO, RIFLE, 16IN, TREAD, BLK/COY, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG, SNAKEBITE, SPECIAL EDITION
    SIGM400, 5.56 NATO, RIFLE, 16IN, TREAD, BLK/COY, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG, SNAKEBITE, SPECIAL EDITION
    View Product
  21. SIG516 G3, 5.56 NATO, RIFLE, 16 IN, BRONZE CERAKOTE, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIG516 G3, 5.56 NATO, RIFLE, 16 IN, BRONZE CERAKOTE, SEMI, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  22. SIGMCX SPEAR, 556 NATO, RIFLE, 16 IN, FDE, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG (1964.99)
    SIGMCX SPEAR, 556 NATO, RIFLE, 16 IN, FDE, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG (1964.99)
    View Product
  23. SIGM400, 5.56 NATO, RIFLE, 16IN, FORGE, MOSS GREEN, SEMI, ROMEO-MSR GEN II, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    SIGM400, 5.56 NATO, RIFLE, 16IN, FORGE, MOSS GREEN, SEMI, ROMEO-MSR GEN II, TELE STOCK, AL MLOK HG, (1) 30RD MAG
    View Product
  24. SIGM400SDI, .223 WYLDE, RIFLE, 16IN, COMPETITION, SEMI, (1) 30RD MAG, (1514.99)
    SIGM400SDI, .223 WYLDE, RIFLE, 16IN, COMPETITION, SEMI, (1) 30RD MAG, (1514.99)
    View Product

Best Sellers

  1. P365-XL
    P365-XL
    View Product
  2. P226 LEGION
    P226 LEGION
    View Product
  3. P320-XFIVE LEGION
    P320-XFIVE LEGION
    View Product

Related Pages

  1. Military Inspired 5.56 Rifles
    Military Inspired 5.56 Rifles
    View Product
  2. Modern Sporting 300 Blackout Rifles
    Modern Sporting 300 Blackout Rifles
    View Product
  3. 5.56 NATO Rifles for Target Shooting
    5.56 NATO Rifles for Target Shooting
    View Product

Top Collections

High Performance 300 Blackout Rifles AR 15 Rifles For Personal Safety Best Pistols for Personal Protection Maneuverable SBR Rifles 9mm Luger Pistols 7.62 X39 Rifles for Target Shooting 9mm Pistols With Full Size Frames 5.56 NATO Rifles for Target Shooting Home Defense 40 S&W Pistols Firearms for Women Shooters
Sign Up for News and Updates
InstagramYouTubeLinkedIn SIG SAUER Social
© SIG SAUER 2026. All Rights Reserved.
Compare Products
Items
Launch Compare

Zip Code Verification

Some localities have legal restrictions on products which requires the validation of your ZIP code

Age Verification

Some localities have legal restrictions on products which requires the validation of your age