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Best-Selling Firearm Parts

(📦 864 products available)

Shop best-selling firearm parts and accessories at HR Tactical Innovations. Compare popular AR-platform components, grips, stocks, controls, optics, tools, and compatible upgrades ranked by store sales.

Popularity does not guarantee compatibility. Confirm firearm platform, caliber, dimensions, fitment, manufacturer specifications, and all applicable laws before ordering or installation.

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  • B5 Systems Type 22 AR-15 P-Grip B5 Systems Type 22 AR-15 P-Grip in Flat Dark Earth, alternate view 2

    B5 Systems

    B5 Systems Type 22 AR-15 P-Grip

    (1)

    🎨 8 colors available

    From $19.00 USD
    View details
  • STNGR VYPR® M-LOK Free Float AR-15 Handguard – Black STNGR VYPR® M-LOK Free Float AR-15 Handguard – Black — alternate view 2

    STNGR

    STNGR VYPR M-LOK Free Float AR-15 Handguard

    🎨 3 colors available

    From $139.99 USD
    View details
  • Ported Mock Suppressor

    Lapco Paintball

    LAPCO Ported Mock Suppressor Barrel Accessory

    Low stock (3 available)
    $54.95 USD
    View details
  • Milspec Multi-Degree Short Throw Ambidextrous Safety Selector – Black Milspec Multi-Degree Short Throw Ambidextrous Safety Selector – Flat Dark Earth — alternate view 2

    Guntec USA

    Guntec USA Multi-Degree Short Throw Ambidextrous Safety Selector

    🎨 3 colors available

    $54.95 USD
    View details
  • M-LOK Rail Section - 5 or 7 Slots - Made in USA - 10 Colors Available – Black M-LOK Rail Section - 5 or 7 Slots - Made in USA - 10 Colors Available – Black — alternate view 2

    AT3 Tactical

    AT3 M-LOK Picatinny Rail Section - 5 or 7 Slots

    🎨 9 colors available

    From $14.99 USD
    View details
  • Adaptive Tactical AR-15 EX Performance Adjustable Stock – Flat Dark Earth Adaptive Tactical AR-15 EX Performance Adjustable Stock – Black — alternate view 2

    Adaptive Tactical

    Adaptive Tactical EX Performance Adjustable Stock

    (1)

    🎨 2 colors available

    $49.99 USD
    View details
  • Gauntlet Arms AR-15 "MOAB" Adjustable Buttstock - Accepts Mil-Spec Buffer Tube
    Sold out

    Gauntlet Arms

    Gauntlet Arms MOAB Adjustable Mil-Spec Stock

    $19.99 USD
    View details
  • Magpul CTR Rifle Mil-Spec Stock Magpul CTR Rifle Mil-Spec Stock — alternate view 2
    Sold out

    Magpul

    Magpul CTR Mil-Spec Carbine Stock - Black

    (2)
    $79.99 USD
    View details
  • Trinity Force High Density Polymer Flip-Up Iron Sight Set

    Trinity Force

    Trinity Force High Density Polymer Flip-Up Sight Set

    Restocking soon
    $19.99 USD
    View details
  • Polymer M-LOK Rail Section – 5 Slots – Made in USA Polymer M-LOK Rail Section – 5 Slots – Made in USA — alternate view 2

    AT3 Tactical

    AT3 Polymer M-LOK Picatinny Rail Section - 5 Slot

    (1)
    Low stock (3 available)
    $7.99 USD
    View details
  • Pro Quad Rails – Free Float AR15 Handguards – 4 Lengths Available – 7" Pro Quad Rails – Free Float AR15 Handguards – 4 Lengths Available – 7" — alternate view 2

    AT3 Tactical

    AT3 Pro Quad Rail Free Float AR-15 Handguard

    🎨 7 colors available

    From $104.99 USD
    View details
  • Mission First Tactical (MFT) Battlelink Minimalist Mil Spec Stock - Black – Flat Dark Earth MFT Battlelink Minimalist Mil-Spec Stock in Black, alternate view 2

    Mission First Tactical

    MFT Battlelink Minimalist Mil-Spec Stock

    🎨 2 colors available

    $59.99 USD
    View details
  • SB Tactical SBA4 Adjustable Pistol Stabilizing Brace in Black SB Tactical SBA4 Adjustable Pistol Stabilizing Brace in Flat Dark Earth, alternate view 2

    SB Tactical

    SB Tactical SBA4 Adjustable Pistol Stabilizing Brace

    (1)

    🎨 4 colors available

    $99.99 USD
    View details
  • VISM M-LOK Single Slot Rubber Rail Covers - 18 Pack in Black VISM M-LOK Single Slot Rubber Rail Covers - 18 Pack in Flat Dark Earth, alternate view 2

    NcSTAR

    VISM M-LOK Single Slot Rubber Rail Covers - 18 Pack

    🎨 4 colors available

    $7.99 USD
    View details
  • Strike Industries Overmolded Enhanced AR Pistol Grip in 15°

    Strike Industries

    Strike Industries Overmolded Enhanced AR Pistol Grip

    (1)

    🎨 2 colors available

    $23.95 USD
    View details
  • FAST - Optics Riser – Black Unity Tactical FAST Optics Riser

    Unity Tactical

    Unity Tactical FAST Optics Riser

    🎨 2 colors available

    $95.00 USD
    View details
  • Ergonomic M-LOK Foregrip Ergonomic M-LOK Foregrip — alternate view 2

    STNGR

    STNGR Ergonomic M-LOK Foregrip

    🎨 3 colors available

    $29.99 USD
    View details
  • STNGR VLCN® M-LOK Free Float AR-15 Handguard – Black STNGR VLCN® M-LOK Free Float AR-15 Handguard – Black — alternate view 2

    STNGR

    STNGR VLCN M-LOK Free Float AR-15 Handguard

    🎨 3 colors available

    From $194.99 USD
    View details
  • Magpul MOE SL Carbine Stock - Black Magpul MOE SL Carbine Stock - Black in Flat Dark Earth, alternate view 2

    Magpul

    Magpul MOE SL Carbine Stock

    (1)

    🎨 3 colors available

    $61.70 USD
    View details
  • B5 Systems Battery Grip Plug for P-Grip and AK Grip in Black B5 Systems Battery Grip Plug for P-Grip and AK Grip in Flat Dark Earth, alternate view 2

    B5 Systems

    B5 Systems Battery Grip Plug for P-Grip and AK Grip

    🎨 5 colors available

    $9.98 USD
    View details
  • AT3 Ambidextrous AR-15 Safety Selector Kit in Black AT3 Ambidextrous AR-15 Safety Selector Kit in Flat Dark Earth, alternate view 2

    AT3 Tactical

    AT3 Ambidextrous AR-15 Safety Selector Kit

    🎨 9 colors available

    From $34.99 USD
    View details
  • Guntec USA AR-15 Mag Catch Assembly With Extended Mag Button in Black Guntec USA AR-15 Mag Catch Assembly With Extended Mag Button in Gold, alternate view 2

    Guntec USA

    Guntec Extended Mag Catch Assembly for AR-15, T15 & T16

    🎨 11 colors available

    $24.95 USD
    View details
  • Strike Industries Flip Switch Safety Selector – black anodized lever for AR-15 and AR-308 rifles, 60/90 degree throw Strike Industries Flip Switch Safety Selector – FDE anodized lever for AR-15 and AR-308 rifles, 60/90 degree throw

    Strike Industries

    Strike Industries Flip Switch AR-15 / AR-308 Safety Selector

    🎨 4 colors available

    From $39.95 USD
    View details
  • Guntec USA AR-15 Enhanced Trigger Guard – Black Guntec USA AR-15 Enhanced Trigger Guard – Blue — alternate view 2

    Guntec USA

    Guntec USA AR-15 Enhanced Trigger Guard

    🎨 13 colors available

    $19.99 USD
    View details

Best-Selling Firearm Parts & Accessories

Popular firearm parts, AR components, controls, optics, tools, and compatible accessories ranked by sales.

Use this collection to compare best-selling products specifically classified as Firearm Parts. Shopify ranks eligible components, controls, grips, stocks, optics, tools, and compatible accessories by store sales.

Sales rank can help identify popular options, but it does not confirm fitment. Review the product page and manufacturer specifications before ordering or installation.

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