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AR Small Parts & Hardware

(📦 3 products available)

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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  • AT3 Tactical

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

    (1)
    On demand
    Regular price $1.29 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
    New arrival

    AT3 Tactical

    AT3 MOTHERFU-BAG AR-15 Lost Parts Kit

    On demand
    Regular price $21.49 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
    New arrival

    AT3 Tactical

    AT3 FU-BAG AR-15 Lost Parts Kit

    Regular priceFrom $8.49 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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