FREE Shipping on U.S. orders over $75.

Check out what's on Sale! Shop Now!

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.

💰 Add $75.00 more to unlock free U.S. shipping.
🎛 Display Options
  • Holosun 509PLT-FNX45 Adapter Plate in black
    New arrival

    Holosun

    Holosun 509PLT-FNX45 Adapter Plate

    On demand
    $39.99 USD
    View details
  • Holosun 509MNT-1.63-PIC 509T Picatinny Mount in black
    New arrival

    Holosun

    Holosun 509MNT-1.63-PIC 509T Picatinny Mount

    On demand
    $59.99 USD
    View details
  • Holosun 509MNT-0.82-PIC Low Picatinny Mount in black
    Sold out
    New arrival

    Holosun

    Holosun 509MNT-0.82-PIC Low Picatinny Mount

    $39.99 USD
    View details
  • Holosun KPLT-507C RMR Adapter Plate in black
    Sold out
    New arrival

    Holosun

    Holosun KPLT-507C RMR Adapter Plate

    $39.99 USD
    View details
  • Holosun KPLT-CZP10C K Footprint Adapter Plate in black
    New arrival

    Holosun

    Holosun KPLT-CZP10C K Footprint Adapter Plate

    On demand
    $39.99 USD
    View details
  • Holosun KPLT-FN509 K Footprint Adapter Plate in black
    Sold out
    New arrival

    Holosun

    Holosun KPLT-FN509 K Footprint Adapter Plate

    $39.99 USD
    View details
  • Holosun IRIS-GR4 Quad Laser & 1000L Light in black
    New arrival

    Holosun

    Holosun IRIS-GR4 Quad Laser & 1000L Light

    On demand
    $999.99 USD
    View details
  • Holosun RMLT-RD Titanium Rail-Mounted Red Laser in black
    New arrival

    Holosun

    Holosun RMLT-RD Titanium Rail-Mounted Red Laser

    On demand
    $152.93 USD
    View details
  • Holosun LE420-GR Green/IR Laser, IR Illuminator, Light in black
    New arrival

    Holosun

    Holosun LE420-GR Green/IR Laser, IR Illuminator, Light

    On demand
    $1,199.99 USD
    View details
  • Holosun IRIS-RD1 Red Laser AA Picatinny Mount in black
    New arrival

    Holosun

    Holosun IRIS-RD1 Red Laser AA Picatinny Mount

    On demand
    $299.99 USD
    View details
  • Holosun IRIS-RD2 Red + IR Dual Laser CR123A in black
    New arrival

    Holosun

    Holosun IRIS-RD2 Red + IR Dual Laser CR123A

    On demand
    $499.99 USD
    View details
  • Holosun IRIS-RD3 Red + IR Laser w/ VCSEL in black
    New arrival

    Holosun

    Holosun IRIS-RD3 Red + IR Laser w/ VCSEL

    On demand
    $899.99 USD
    View details
  • Holosun IRIS-RD4 Quad Laser & 1000L Light in black
    New arrival

    Holosun

    Holosun IRIS-RD4 Quad Laser & 1000L Light

    On demand
    $999.99 USD
    View details
  • Holosun IRIS-ARC IR VCSEL Illuminator in black
    Sold out
    New arrival

    Holosun

    Holosun IRIS-ARC IR VCSEL Illuminator

    $499.99 USD
    View details
  • Holosun P.ID-DUAL Light, Green & IR Laser in black
    New arrival

    Holosun

    Holosun P.ID-DUAL Light, Green & IR Laser

    On demand
    $199.99 USD
    View details
  • Holosun P.ID-PLUS Light & Green Laser Combo in black
    New arrival

    Holosun

    Holosun P.ID-PLUS Light & Green Laser Combo

    On demand
    $169.99 USD
    View details
  • Holosun P.ID-HC High Candela Pistol Light in black
    New arrival

    Holosun

    Holosun P.ID-HC High Candela Pistol Light

    On demand
    $199.99 USD
    View details
  • Holosun P.ID Pistol Light 1000 Lumens 23,000 Candela in black
    New arrival

    Holosun

    Holosun P.ID Pistol Light 1000 Lumens 23,000 Candela

    On demand
    $99.99 USD
    View details
  • Holosun P.ID-K Compact 500 Lumen Pistol Light in black
    New arrival

    Holosun

    Holosun P.ID-K Compact 500 Lumen Pistol Light

    On demand
    $152.93 USD
    View details
  • Holosun RAID Rifle Weaponlight 1000 Lumens 80,000 Candela in black
    New arrival

    Holosun

    Holosun RAID Rifle Weaponlight 1000 Lumens 80,000 Candela

    On demand
    $164.69 USD
    View details
  • Holosun HM6X 6X Magnifier QD Flip Mount in black
    Sold out
    New arrival

    Holosun

    Holosun HM6X 6X Magnifier QD Flip Mount

    $329.99 USD
    View details
  • Holosun HM3X-MICRO 3X Magnifier QD Mount in black
    New arrival

    Holosun

    Holosun HM3X-MICRO 3X Magnifier QD Mount

    On demand
    $229.99 USD
    View details
  • Holosun HM3XT Titanium 3X Magnifier QD Mount in black
    New arrival

    Holosun

    Holosun HM3XT Titanium 3X Magnifier QD Mount

    On demand
    $299.99 USD
    View details
  • Holosun MP3X-BDC 3X Prism Scope with BDC Reticle in black
    Sold out
    New arrival

    Holosun

    Holosun MP3X-BDC 3X Prism Scope with BDC Reticle

    $299.99 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.

  • Price-match guarantee

    Our promise to you

  • Free US Shipping

    On orders over $75

  • Live Inventory Status

    See live inventory counts on each product page

  • Special Financing Available

    ShopPay, Afterpay, PayPal and more
⬆ Return to top ⬆

Compare /4
>