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    • PS90 UPGRADES
      PS90 UPGRADES
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      BREN 2 LOWER
    • HDA3 STOCKS & BRACES
      HDA3 STOCKS & BRACES
    • Featured Products
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    • Cheek Riser for HK G36 Cheek Riser for HK G36
      Quick view

      Haga Defense

      Cheek Riser for HK G36

      MSRP:
      Was:
      Now: $82.00
      Add to Cart
    • Extended Handguard for Springfield KUNA Extended Handguard for Springfield KUNA
      Quick view

      SKYE

      Extended Handguard for Springfield KUNA

      MSRP:
      Was:
      Now: $180.00
    • 1913 Adapter for HK USC 1913 Adapter for HK USC
      Quick view

      Haga Defense

      1913 Adapter for HK USC

      MSRP:
      Was:
      Now: $140.00
      Add to Cart
    • 1913 Adapter for HK 416 22LR 1913 Adapter for HK 416 22LR
      Quick view

      Haga Defense

      1913 Adapter for HK 416 22LR

      MSRP:
      Was:
      Now: $95.00
      Add to Cart
    • 1913 Stock Adapter for the AR7 1913 Stock Adapter for the AR7
      Quick view

      Haga Defense

      1913 Stock Adapter for the AR7

      MSRP:
      Was:
      Now: $95.00
    • Zhukov Stock with 1913 Adapter Zhukov Stock with 1913 Adapter
      Quick view

      Haga Defense

      Zhukov Stock with 1913 Adapter

      MSRP:
      Was:
      Now: $110.00
    • KelTec RDB17 Flared Magwell KelTec RDB17 Flared Magwell
      Quick view

      SKYE

      KelTec RDB17 Flared Magwell

      MSRP:
      Was:
      Now: $50.00
      Add to Cart
    • Tailhook MOD 1C Tailhook MOD 1C
      Quick view

      Gear Head Works

      Tailhook MOD 1C

      MSRP:
      Was:
      Now: $140.00
    • Bren 2 Wobble Fix kit Bren 2 Wobble Fix kit
      Quick view

      Haga Defense

      Bren 2 Wobble Fix kit

      MSRP:
      Was:
      Now: $12.00
      Add to Cart
    • CMR-30 M-LOK® Handguard (Long) CMR-30 M-LOK® Handguard (Long)
      Quick view

      Haga Defense

      CMR-30 M-LOK® Handguard (Long)

      MSRP:
      Was:
      Now: $183.00
    • MP5/MP5K Flared Magwell MP5/MP5K Flared Magwell
      Quick view

      Haga Defense

      MP5/MP5K Flared Magwell

      MSRP:
      Was:
      Now: $120.00
    • CMR30 Butt-Pad CMR30 Butt-Pad
      Quick view

      Haga Defense

      CMR30 Butt-Pad

      MSRP:
      Was:
      Now: $52.00
      Add to Cart
    • HK PDW Brace for MP5 HK PDW Brace for MP5
      Quick view

      SB Tactical

      HK PDW Brace for MP5

      MSRP:
      Was:
      Now: $265.00
      Add to Cart
    • B&T Telescopic Brace for HK SP5K B&T Telescopic Brace for HK SP5K
      Quick view

      B&T

      B&T Telescopic Brace for HK SP5K

      MSRP: $675.00
      Was:
      Now: $650.00
      Choose Options
    • AK-X Trigger with Lightning Bow® AK-X Trigger with Lightning Bow®
      Quick view

      Geissele

      AK-X Trigger with Lightning Bow®

      MSRP:
      Was:
      Now: $350.00
      Add to Cart
    • CTR Cheek Rest Mount for RDB CTR Cheek Rest Mount for RDB
      Quick view

      A3 Industries

      CTR Cheek Rest Mount for RDB

      MSRP:
      Was:
      Now: $25.00
    • RDB CQB buttstock RDB CQB buttstock
      Quick view

      A3 Industries

      RDB CQB buttstock

      MSRP:
      Was:
      Now: $100.00
    • 1913 Adapter for MAC 11/9 1913 Adapter for MAC 11/9
      Quick view

      A3 Industries

      1913 Adapter for MAC 11/9

      MSRP:
      Was:
      Now: $80.00
      Choose Options
    • 1913 Adapter for GALIL ACE 1913 Adapter for GALIL ACE
      Quick view

      KNS Precision

      1913 Adapter for GALIL ACE

      MSRP:
      Was:
      Now: $50.00
      Add to Cart
    • 1913 Adapter for MPA Defender 1913 Adapter for MPA Defender
      Quick view

      A3 Industries

      1913 Adapter for MPA Defender

      MSRP:
      Was:
      Now: $60.00
      Add to Cart

    Blog

    Gen 4 is Coming!
    Gen 4 is Coming!

    Jul 17th 2025

    HDA3 Review by "Steve_MP5"
    HDA3 Review by "Steve_MP5"

    Jun 12th 2025

    HDA3 RELEASED!
    HDA3 RELEASED!

    Mar 25th 2025

    HDA3 Reveal!
    HDA3 Reveal!

    Sep 19th 2024

    Silhouette (HDA3)
    Silhouette (HDA3)

    Sep 13th 2024

    HDA3 TEASER #2
    HDA3 TEASER #2

    Aug 29th 2024

    New Location!
    New Location!

    Aug 11th 2024

    Something is coming.
    Something is coming.

    Aug 11th 2024

    Haga Defense is now on X
    Haga Defense is now on X

    Aug 11th 2024

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