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Stern Defense

Shop Stern Defense for premium firearm accessories, including top-tier magwell adapters, barrels, and conversion kits designed for enhanced performance and precision. Upgrade your shooting experience with our reliable, American-made products, trusted by professionals and enthusiasts alike.
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Items 1-24 of 35

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  1. Stern Defense 4" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    Stern Defense 4" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    $444.99
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  2. Stern Defense 16.10" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    Stern Defense 16.10" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    $522.99
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  3. Stern Defense Mod 4 Free Float/M-LOK Handguard 8", Black

    Stern Defense Mod 4 Free Float/M-LOK Handguard 8", Black

    $92.99
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  4. Stern Defense Barrel .45 ACP 16.10", Black

    Stern Defense Barrel .45 ACP 16.10", Black

    $156.99
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  5. Stern Defense Mod 4 Free Float/M-LOK Handguard 15", Black

    Stern Defense Mod 4 Free Float/M-LOK Handguard 15", Black

    Regular Price $133.99 Special Price $119.99
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  6. Stern Defense Barrel .45 ACP 10.50", Black

    Stern Defense Barrel .45 ACP 10.50", Black

    $146.99
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  7. Stern Defense Barrel .40 S&W 16.10", Black

    Stern Defense Barrel .40 S&W 16.10", Black

    $144.99
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  8. Stern Defense Assembled Upper Receiver, Black

    Stern Defense Assembled Upper Receiver, Black

    $104.99
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  9. Stern Defense MAG-AD Magwell Adapter Ejector Replacement Kit

    Stern Defense MAG-AD Magwell Adapter Ejector Replacement Kit

    Regular Price $11.99 Special Price $9.99
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  10. RAB-AD PIC RAIL (Rapid Attach Buttstock Adapter for Pic Rail)

    RAB-AD PIC RAIL (Rapid Attach Buttstock Adapter for Pic Rail)

    Regular Price $156.99 Special Price $140.99
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  11. RAB-AD MINI (Rapid Attach Buttstock Adapter Mini)

    RAB-AD MINI (Rapid Attach Buttstock Adapter Mini)

    Regular Price $155.99 Special Price $140.99
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  12. Stern Defense RAB-AD Rapid Attach Buttstock Adapter

    Stern Defense RAB-AD Rapid Attach Buttstock Adapter

    $139.99
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  13. Stern Defense Hybrid 2-Stage Drop-in Small Pin Trigger for AR-15, AR-10 Style Rifles, Green/Black - H2S

    Stern Defense Hybrid 2-Stage Drop-in Small Pin Trigger for AR-15, AR-10 Style Rifles, Green/Black - H2S

    Rating:
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    (1)
    Regular Price $153.99 Special Price $137.99
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  14. Stern Defense .45ACP Mod 1 Muzzle Device - SDCB45 MOD1

    Stern Defense .45ACP Mod 1 Muzzle Device - SDCB45 MOD1

    Rating:
    100%
    (2)
    $59.99
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  15. Stern Defense AR15 Mag Well Adapter for Beretta 92 Mags

    Stern Defense AR15 Mag Well Adapter for Beretta 92 Mags - MAG-ADB92

    Rating:
    100%
    (3)
    $186.99
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  16. Stern Defense Flared Mag Well Attachment - MAG-AD FLARE

    Stern Defense Flared Mag Well Attachment - MAG-AD FLARE

    $73.00
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  17. Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40

    Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40

    Rating:
    80%
    (1)
    $186.99
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  18. Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    $150.65
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  19. Stern Defense .45ACP Mod 1 Flash HIder - SD FH45 MOD1

    Stern Defense .45ACP Mod 1 Flash HIder - SD FH45 MOD1

    $44.99
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  20. Stern Defense 9mm Muzzle Device, Black- SD CB9 MOD1

    Stern Defense 9mm Muzzle Device, Black- SD CB9 MOD1

    Rating:
    100%
    (1)
    $56.99
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  21. Stern Defense 9mm Flash Can, Black - SD HBC9

    Stern Defense 9mm Flash Can, Black - SD HBC9

    $36.99
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  22. Stern Defense MOD5 MLOK 16.1" 45 ACP AR-15 Complete Upper - 015-SD15INCHMOD5MLOK16.1INCHBARREL45ACP-KK

    Stern Defense MOD5 MLOK 16.1" 45 ACP AR-15 Complete Upper

    Regular Price $653.99 Special Price $593.99
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  23. Stern Defense AR-15 Mag Well Adapter for 9mm Glock, Black- MAG-AD9

    Stern Defense AR-15 Mag Well Adapter for 9mm Glock, Black- MAG-AD9

    Rating:
    92%
    (17)
    Regular Price $200.99 Special Price $180.99
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  24. Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

    Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

    Rating:
    87%
    (3)
    Regular Price $208.99 Special Price $187.99
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Items 1-24 of 35

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