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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 34

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  1. Stern Defense RAB-AD Buttstock Adapter Male Assembly, Black

    Stern Defense RAB-AD Buttstock Adapter Male Assembly, Black

    $71.99
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  2. Stern Defense SD BU9 Semi-Auto Only Complete Bolt 9mm, Black

    Stern Defense SD BU9 Semi-Auto Only Complete Bolt 9mm, Black

    Regular Price $163.99 Special Price $146.99
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  3. Stern Defense Barrel .45 ACP 16.10", Black

    Stern Defense Barrel .45 ACP 16.10", Black

    Regular Price $172.99 Special Price $156.99
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  4. Stern Defense Mod 4 Free Float/M-LOK Handguard 15", Black

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

    Rating:
    87%
    (3)
    Regular Price $133.99 Special Price $119.99
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  5. Stern Defense Barrel .40 S&W 16.10", Black

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

    Regular Price $159.99 Special Price $144.99
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  6. Stern Defense Assembled Upper Receiver, Black

    Stern Defense Assembled Upper Receiver, Black

    Regular Price $115.99 Special Price $104.99
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  7. 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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  8. 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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  9. 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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  10. Stern Defense RAB-AD Rapid Attach Buttstock Adapter

    Stern Defense RAB-AD Rapid Attach Buttstock Adapter

    Rating:
    100%
    (2)
    Regular Price $156.99 Special Price $140.99
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  11. 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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  12. Stern Defense Flared Mag Well Attachment - MAG-AD FLARE

    Stern Defense Flared Mag Well Attachment - MAG-AD FLARE

    $73.00
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  13. 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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  14. Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

    Regular Price $167.99 Special Price $150.99
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  15. 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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  16. Stern Defense AR15 Mag Well Adapter for M&P .45ACP

    Stern Defense AR15 Mag Well Adapter for M&P .45ACP Mags - MAG-ADMP45

    Rating:
    100%
    (5)
    $186.99
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  17. Stern Defense 9mm Flash Can, Black - SD HBC9

    Stern Defense 9mm Flash Can, Black - SD HBC9

    $36.99
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  18. 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:
    87%
    (19)
    Regular Price $225.99 Special Price $202.99
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  19. Stern Defense .45 ACP Flash Can, Black- SD RBC45

    Stern Defense .45 ACP Flash Can, Black- SD RBC45

    $38.99
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  20. 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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  21. Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB

    Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB

    Rating:
    90%
    (2)
    $167.00
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  22. Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

    Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

    Rating:
    100%
    (4)
    Regular Price $163.99 Special Price $146.99
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  23. Stern Defense RAB-AD Mini Buttstock Adapter, Black

    Stern Defense RAB-AD Mini Buttstock Adapter, Black

    Out of Stock
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  24. Stern Defense Bolt Replacement Kit 9mm Fits Stern Defense SD BU9, Black

    Stern Defense Bolt Replacement Kit 9mm Fits Stern Defense SD BU9, Black

    Out of Stock
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Items 1-24 of 34

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