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AR Small Parts & Hardware collection

AR Small Parts & Hardware

(18 products)

AR small parts and hardware support repairs, lower assembly work, maintenance, and build completion. This collection currently includes small replacement hardware, with room to expand into springs, pins, catches, detents, screws, and other build-support components.

Small parts may not be flashy, but they are often what keeps a build functional. Before ordering, confirm exact part type, receiver compatibility, spring or detent requirements, and whether the component is being used for a firearm, paintball, airsoft, or training-style platform.
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  • Mil-Spec AR-15 Magazine Catch Spring

    AT3 Tactical

    AT3 Mil-Spec Magazine Catch Spring for AR-15, T15 & T16

    (1)
    On demand
    $1.29 USD
    View details
  • AT3 FU-BAG AR-15 lost parts kit with detents, springs and roll pins AT3 FU-BAG AR-15 lost parts kit complete component diagram

    AT3 Tactical

    AT3 FU-BAG AR-15 Lost Parts Kit

    4 available
    From $8.49 USD
    View details
  • Driven Arms Co. PWS MK1 MOD 2-M Slip Fit Magwell (SFM) - Driven Arms Co Primary Weapon Systems PWS MK1 MOD 2-M Slip Fit Magwell SFM Cover Driven Arms Co. PWS MK1 MOD 2-M Slip Fit Magwell (SFM) - Driven Arms Co Primary Weapon Systems PWS MK1 MOD 2-M Slip Fit Magwell SFM
    Sold out

    Driven Arms Co

    Driven Arms Co PWS MK1 MOD 2-M Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. LWRC Slip Fit Magwell (SFM) - Driven Arms Co LWRC IC M6IC Slip Fit Magwell SFM Cover Driven Arms Co. LWRC Slip Fit Magwell (SFM) - Driven Arms LWRC Magwell SFM Picatinny ShortStop ULCG FS
    Sold out

    Driven Arms Co

    Driven Arms Co LWRC Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. MPX Slip Fit Magwell (SFM) - Driven Arms Co Sig Sauer MPX Slip Fit Magwell SFM Cover Driven Arms Co. MPX Slip Fit Magwell (SFM) - Driven Arms Co Sig Sauer MPX Slip Fit Magwell SFM
    Sold out

    Driven Arms Co

    Driven Arms Co MPX Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Aero Precision M5 Slip Fit Magwell (SFM) - Driven Arms Co Aero Precision M5 Slip Fit Magwell SFM Cover Driven Arms Co. Aero Precision M5 Slip Fit Magwell (SFM) - Driven Arms Co Aero Precision M5 Slip Fit Magwell SFM
    Sold out

    Driven Arms Co

    Driven Arms Co Aero Precision M5 Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. KAC SR15/SR30 Slip Fit Magwell (SFM) - Driven Arms Co Knights Armament KAC SR15 SR30 Slip Fit Magwell SFM Cover Driven Arms Co. KAC SR15/SR30 Slip Fit Magwell (SFM) - Driven Arms Co Knights Armament KAC SR15 SR30 Slip Fit Magwell SFM 1
    Sold out

    Driven Arms Co

    Driven Arms Co KAC SR15/SR30 Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. MCX Slip Fit Magwell (SFM) - Driven Arms Co Sig Sauer MCX Spear Slip Fit Magwell SFM Cover Driven Arms Co. MCX Slip Fit Magwell (SFM) - Driven Arms Co Sig Sauer MCX Spear Slip Fit Magwell SFM
    Sold out

    Driven Arms Co

    Driven Arms Co MCX Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. LMT MARS-L Slip Fit Magwell (SFM) - Driven Arms Co LMT MARS L Magwell SFM Slip Fit Magwell Side PNG Driven Arms Co. LMT MARS-L Slip Fit Magwell (SFM) - Driven Arms LMT Specwar MARS L SFM Slip Fit Magwell with ShortStop ULCG Gen2 Modlite Vortex Razor Scalarworks Black
    Sold out

    Driven Arms Co

    Driven Arms Co LMT MARS-L Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Griffin MK2 Slip Fit Magwell (SFM) - Griffin Armament Mk2 Slip Fit Magwell SFM Side Cover Driven Arms Co. Griffin MK2 Slip Fit Magwell (SFM) - Driven Arms Co Griffin Armament Mk2 Slip Fit Magwell
    Sold out

    Driven Arms Co

    Driven Arms Co Griffin MK2 Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. ADM Slip Fit Magwell (SFM) - ADM UIC ADM$ Slip Fit Magwell SFM Side Cover Driven Arms Co. ADM Slip Fit Magwell (SFM) - Driven Arms Co ADM Slip Fit Magwell ADM4 American Defense Manufacturing
    Sold out

    Driven Arms Co

    Driven Arms Co ADM Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. AR Standard Forged Slip Fit Magwell (SFM) - Aero Precision M4E1 Slip Fit Magwell Side Profile Driven Arms Co. AR Standard Forged Slip Fit Magwell (SFM) - Standard-Forged-Slip-Fit-Magwell-Funnel
    Sold out

    Driven Arms Co

    Driven Arms Co AR Standard Forged Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Aero Precision EPC-9 Slip Fit Magwell (SFM) - EPC SFM Side Driven Arms Co. Aero Precision EPC-9 Slip Fit Magwell (SFM) - Driven Arms Co Aero Precision EPC9 Slip Fit Magwell Angle 1a
    Sold out

    Driven Arms Co

    Driven Arms Co Aero Precision EPC-9 Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Aero Precision M4E1/BA Enhanced Slip Fit Magwell (SFM) - Aero Precision M4E1 Slip Fit Magwell Side Profile Driven Arms Co. Aero Precision M4E1/BA Enhanced Slip Fit Magwell (SFM) - Driven Arms Co Utility Compact Grip ULCG Gen 2 and Cable Management Panel and Rail Covers with ShortStop PNG1
    Sold out

    Driven Arms Co

    Driven Arms Co Aero Precision M4E1/BA Enhanced Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Radian ADAC Slip Fit Magwell (SFM) - Radian-ADAC-Slip-Fit-Magwell-Side-Profile Driven Arms Co. Radian ADAC Slip Fit Magwell (SFM) - Driven Arms Co Radian ADAC Slip Fit Magwell SFM and SCG Shadow Crossover Grip and ShortStop copy
    Sold out

    Driven Arms Co

    Driven Arms Co Radian ADAC Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • Driven Arms Co. Storage FloorPlate (SFP) - VCG VCG L Storage Floorplate Skittles CC Driven Arms Co. Storage FloorPlate (SFP) - SCG/SCG-L/SCG-S/AK SCG
    Sold out

    Driven Arms Co

    Driven Arms Co Storage FloorPlate (SFP)

    $4.95 USD
    View details
  • Driven Arms Co. APC9/GHM9/SPC9 Slip Fit Magwell (SFM) - APC9 GHM9 SPC9 Slip Fit Magwell SFM B&T Driven Arms Co. APC9/GHM9/SPC9 Slip Fit Magwell (SFM) - APC9 GHM9 SPC9 Slip Fit Magwell SFM B&T lower angle 1
    Sold out

    Driven Arms Co

    Driven Arms Co APC9/GHM9/SPC9 Slip Fit Magwell (SFM)

    3 colors available

    From $49.95 USD
    View details
  • AT3 MOTHERFU-BAG AR-15 lost parts kit with replacement springs, pins and gas rings AT3 MOTHERFU-BAG AR-15 replacement parts kit overhead component diagram

    AT3 Tactical

    AT3 MOTHERFU-BAG AR-15 Lost Parts Kit

    Very low stock (1 available)
    $21.49 USD
    View details

AR Small Parts and Hardware FAQs

What counts as AR small parts?

Small parts can include pins, detents, springs, screws, nuts, hardware, and replacement pieces used during assembly or repair.

Are AR small parts universal?

No. Fitment can vary by receiver pattern, hardware size, thread type, and platform design.

Why is this collection marked for review?

This collection has a limited product count and should be reviewed against the exact hardware product before import.

AR Small Parts and Hardware

Shop AR small parts, springs, pins, catches, and replacement hardware for compatible builds and repairs.

AR small parts and hardware support repairs, lower assembly work, maintenance, and build completion. This collection currently includes small replacement hardware, with room to expand into springs, pins, catches, detents, screws, and other build-support components.Small parts may not be flashy, but they are often what keeps a build functional. Before ordering, confirm exact part type, receiver compatibility, spring or detent requirements, and whether the component is being used for a firearm, paintball, airsoft, or training-style platform.
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