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5.56x45 Long Guns

Get your NATO 5.56x46 long guns here; we offer low prices on quality AR rifles from American Tactical Imports and Colt Defense. Compared to 7.62mm NATO rifles, the 5.56 is much easier to shoot, so you can reach proficiency much more rapidly with a 5.56x45 long gun. In addition, both the weapon itself and the ammo is considerably lighter, making it easier to manage during prolonged use. While you’re shopping, browse our extensive selection of AR accessories, always offered at low online prices.

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  1. Kel-Tec RDBBLK RDB Downward Ejecting Bullpup Semi-Automatic 223 Remington/5.56 NATO 17.3" FH 20+1

    Kel-Tec RDBBLK RDB Downward Ejecting Bullpup Semi-Automatic 223 Remington/5.56 NATO 17.3" FH 20+1
     
    MSRP: $1,272.73  |  Your Price:  $899.99     Availability: In stock (Only 6 left!)     Manufacturer: Kel-Tec Purchase Now »
  2. Charlie Bravo Complete 223/556 16" AR15 Upper Receiver with 12" Free Float Keymod Handguard

    Charlie Bravo Complete 223/556 16" AR15 Upper Receiver with 12" Free Float Keymod Handguard
    MSRP: $349.99  |  Your Price:  $319.99     Availability: In stock (Only 2 left!)     Manufacturer: US Mfg Purchase Now »
  3. FN 36369-02 15 SRP Tactical Carbine 1X30 14.5

    FN 36369-02 15 SRP Tactical Carbine 1X30 14.5
     
    MSRP: $1,199.00  |  Your Price:  $1,074.00     Availability: In stock     Manufacturer: FN Purchase Now »
  4. Charlie Bravo 556 Upper w/ 16" Stainless Diamond Cut BBL, 1:9 .223 Wylde w/ 13" Free Float 7 sided Keymod Fore End - Less BCG and Charging Handle

    Charlie Bravo 556 Upper w/ 16" Stainless Diamond Cut BBL, 1:9 .223 Wylde w/ 13" Free Float 7 sided Keymod Fore End - Less BCG and Charging Handle
    MSRP: $369.99  |  Your Price:  $299.99     Availability: In stock (Only 4 left!)     Manufacturer: US Mfg Purchase Now »
  5. Anderson AM15-BR 5.56 NATO Rifle 16" BBL w/ 30rd Magazine - B2-K850-AA00

    Anderson AM15-BR 5.56 NATO Rifle 16" BBL w/ 30rd Magazine - B2-K850-AA00
     
    MSRP: $499.00  |  Your Price:  $436.16     Availability: In stock     Manufacturer: Anderson Purchase Now »
  6. Colt Defense LE6920EPR Enhanced Patrol 5.56 M-LOK Handguard 30rd

    Colt Defense LE6920EPR Enhanced Patrol 5.56 M-LOK Handguard 30rd
     
    MSRP: $1,399.00  |  Your Price:  $1,265.96     Availability: In stock (Only 5 left!)     Manufacturer: Colt Defense Purchase Now »
  7. LWRC International IC DI Direct Impingement 5.56NATO Rifle, 16" Black - ICDIR5B16ML

    LWRC International IC DI Direct Impingement 5.56NATO Rifle, 16" Black - ICDIR5B16ML
     
    MSRP: $1,731.00  |  Your Price:  $1,476.00     Availability: In stock     Manufacturer: LWRC Purchase Now »
  8. Colt Defense AR15 5.56MM Rifle, 16.1" no Furniture No Front Post - LE6920-OEM2

    Colt Defense AR15 5.56MM Rifle, 16.1" no Furniture No Front Post - LE6920-OEM2
     
    MSRP: $849.00  |  Your Price:  $768.09     Availability: In stock     Manufacturer: Colt Defense Purchase Now »
  9. POF Renegade+ 5.56 NATO Rifle, 18.5" Gen 4 Lower Receiver Dictator - POF 01180

    POF Renegade+ 5.56 NATO Rifle, 18.5" Gen 4 Lower Receiver Dictator - POF 01180
     
    MSRP: $2,029.99  |  Your Price:  $1,929.99     Availability: In stock (Only 2 left!)     Manufacturer: POF Purchase Now »
  10. CMMG Mk4 MSR SBN- 5.56mm 30rd Sniper Grey- 55AC7E2

    CMMG Mk4 MSR SBN- 5.56mm 30rd Sniper Grey- 55AC7E2
     
    MSRP: $1,149.95  |  Your Price:  $999.99     Availability: In stock (Only 1 left!)     Manufacturer: CMMG Purchase Now »
  11. LWRC IC DI 5.56 Rifle, Direct Impingement 16" Flat Dark Red - ICDIR5FDR16

    LWRC IC DI 5.56 Rifle, Direct Impingement 16" Flat Dark Red - ICDIR5FDR16
     
    MSRP: $1,631.00  |  Your Price:  $1,294.63     Availability: In stock     Manufacturer: LWRC Purchase Now »
  12. Charlie Bravo 556 Upper w/ 16" Stainless Diamond Cut Barrel, .223 Wylde w/ 13" Free Float 7 sided Keymod Fore End - Less BCG and Charging Handle

    Charlie Bravo 556 Upper w/ 16" Stainless Diamond Cut Barrel, .223 Wylde w/ 13" Free Float 7 sided Keymod Fore End - Less BCG and Charging Handle
    MSRP: $369.99  |  Your Price:  $299.99     Availability: In stock (Only 5 left!)     Manufacturer: US Mfg Purchase Now »
  13. Radical Firearms 16" 5.56 SOCOM Rifle w/ 15" M-LOK FCR Rail

    Radical Firearms 16" 5.56 SOCOM Rifle w/ 15" M-LOK FCR Rail
     
    MSRP: $599.99  |  Your Price:  $479.99     Availability: In stock (Only 4 left!)     Manufacturer: Radical Firearms Purchase Now »
  14. FNH M249S 5.56x45 20.5" - 56460

    FNH 56460 M249S SAW 20.5in For Sale
     
    MSRP: $8,499.00  |  Your Price:  $7,999.00     Availability: In stock (Only 2 left!)     Manufacturer: FN Purchase Now »
  15. FNH M249S PARA 223 REM 16" 30/200rd Black - 56509

    FNH M249S PARA 223 REM 16" 30/200rd Black - 56509
     
    MSRP: $8,799.00  |  Your Price:  $8,299.00     Availability: In stock (Only 6 left!)     Manufacturer: FN Purchase Now »
  16. Charlie Bravo 556 Upper w/ 16" M4 Barrel, 5.56 NATO with 13" Free Float 7 sided Keymod Fore End - Less BCG and Charging HAndle

    Charlie Bravo 556 Upper w/ 16" M4 Barrel, 5.56 NATO with 13" Free Float 7 sided Keymod Fore End
    MSRP: $349.99  |  Your Price:  $249.99     Availability: In stock     Manufacturer: US Mfg Purchase Now »
  17. Kel-Tec RDBTAN - Downward Ejecting RDB Bullpup, 5.56 NATO, FDE

    Kel-Tec RDBTAN -  Downward Ejecting RDB Bullpup, 5.56 NATO, FDE
      
        Availability: Out of stock     Manufacturer: Kel-Tec View Details »
  18. SLR-106C, 5.56x45 AK Style Rifle, Left-Side Folding Warsaw Buttstock

    SLR-106C, 5.56x45 AK Style Rifle, Left-Side Folding Warsaw Buttstock
      
        Availability: Out of stock     Manufacturer: Arsenal View Details »
  19. Kel-Tec Rifle Downward Ejecting Bullpup, 5.56 NATO Caliber, Green on Black Semi-Auto

    Kel-Tec Rifle Downward Ejecting Bullpup, 5.56 NATO Caliber, Green on Black Semi-Auto
      
        Availability: Out of stock     Manufacturer: Kel-Tec View Details »
  20. ATI-15 Forged Mil-Sport LTD Cobalt Cerakote, 16" Barrel, 10" FF Keymod Rail, 5.56- ATIG15MS556KML - W / Bonus RS008 Sight Set

    ATI-15 Forged Mil-Sport LTD Cobalt Cerakote, 16" Barrel, 10" FF Keymod Rail, 5.56- ATIG15MS556KML - W / Bonus RS008 Sight Set
      
        Availability: Out of stock     Manufacturer: ATI View Details »
  21. FNH FN SCAR 16S 223/5.56 NATO, Black, 30rd

    FNH FN SCAR 16S 223/5.56 NATO, Black, 30rd
      
        Availability: Out of stock     Manufacturer: FN View Details »
  22. FN SCAR 16S 223/5.56 NATO, Flat Dark Earth FDE, 30rd

    FN SCAR 16S 223/5.56 NATO, Flat Dark Earth FDE, 30rd
      
        Availability: Out of stock     Manufacturer: FN View Details »
  23. ATI Omni Hybrid Maxx - Limited Edition, Black, 10" Keymod - 5.56/.223 - 16" BBL

    ATI Omni Hybrid Maxx - Limited Edition, Black, 10" Keymod - 5.56/.223 - 16" BBL
      
        Availability: Out of stock     Manufacturer: ATI View Details »
  24. Del-Ton Echo 316H Slick Side, Optics Ready AR-15 5.56 NATO 16" Barrel w/ 1- 30 Rd Mag and Free Electro Dot Optic Sight

    Del-Ton Echo 316H Slick Side, Optics Ready AR-15 5.56 NATO 16" Barrel w/ 1- 30 Rd Mag and Free Electro Dot Optic Sight
      
        Availability: Out of stock     Manufacturer: Del-Ton View Details »

Items 1 to 24 of 37 total

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