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
  • Strike Industries Fang Billet Aluminum AR-15 Trigger Guard in Black Strike Industries Fang Billet Aluminum Trigger Guard – Red

    Strike Industries

    Strike Industries Fang Billet Aluminum AR-15 Trigger Guard

    (1)

    🎨 4 colors available

    From $18.95 USD
    View details
  • Flip Ups + 45 Degree Mount: 45 Offset Weaver Mount + 45 Offset Weaver Mount + Polymer Flip Up
    Sold out

    Omega Tactical

    Polymer Flip-Up Sight & 45 Degree Offset Weaver Mount Kit

    $34.99 USD
    View details
  • LEOS™ Red Dot Sight with Integrated Laser Sight & Riser – Red LEOS™ Red Dot Sight with Integrated Laser Sight & Riser – Green — alternate view 2

    AT3 Tactical

    AT3 LEOS Red Dot Sight with Integrated Laser and Riser

    🎨 2 colors available

    From $129.99 USD
    View details
  • RD-50 PRO™ Micro Red Dot with Cantilever Riser Mount – Black RD-50 PRO™ Micro Red Dot with Cantilever Riser Mount – Black — alternate view 2

    AT3 Tactical

    AT3 RD-50 PRO Micro Red Dot with Cantilever Riser Mount

    (1)

    🎨 2 colors available

    $99.99 USD
    View details
  • SPEAR M-LOK Handguard for AR-15 – 9, 12, & 15 inch Lengths – 9" SPEAR M-LOK Handguard for AR-15 – 9, 12, & 15 inch Lengths – 9" — alternate view 2

    AT3 Tactical

    AT3 SPEAR M-LOK Free Float AR-15 Handguard

    🎨 8 colors available

    From $99.99 USD
    View details
  • Trinity Force Polymer Spring Loaded Flip Up Sights - Front and Rear
    Sold out

    Trinity Force

    Trinity Force Polymer Spring-Loaded Flip-Up Sight Set

    $14.99 USD
    View details
  • Magpul AFG-2 Angled Fore Grip black Magpul AFG-2 Angled Fore Grip Flat Dark Earth

    Magpul

    Magpul AFG 2 Angled Fore Grip

    (1)

    🎨 4 colors available

    $33.49 USD
    View details
  • VISM Hand Stop Grip - M-LOK or KeyMod VISM KeyMod Hand Stop Grip

    NcSTAR

    VISM Hand Stop Grip - M-LOK or KeyMod

    $13.99 USD
    View details
  • Holosun HS510C Open HUD Solar Powered Reflex Circle Dot Sight – Flat Dark Earth Holosun HS510C Open HUD Solar Powered Reflex Circle Dot Sight – Black — alternate view 2

    Holosun

    Holosun HS510C Red Multi-Reticle Reflex Sight

    🎨 2 colors available

    $309.99 USD
    View details
  • Davidson Defense 15” M-LOK Free Float Extended Quad Rail Handguard Davidson Defense 15” M-LOK Free Float Extended Quad Rail Handguard - Right

    Davidson Defense

    Davidson Defense 15" M-LOK Free Float Handguard - Clamp-On

    Low stock (2 available)
    $49.99 USD
    View details
  • AR-15 M-LOK Handstop – Available in 10 Colors – Black AR-15 M-LOK Handstop – Available in 10 Colors – Flat Dark Earth — alternate view 2

    AT3 Tactical

    AT3 M-LOK Handstop

    🎨 9 colors available

    From $19.99 USD
    View details
  • M-LOK Quick Detach Sling Mount – Made in USA – 10 Colors Available – Black M-LOK Quick Detach Sling Mount – Made in USA – 10 Colors Available – Flat Dark Earth — alternate view 2

    AT3 Tactical

    AT3 M-LOK Quick Detach Sling Mount

    🎨 9 colors available

    From $15.99 USD
    View details
  • No Comply Buffer Tube: Mil-Spec Buffer Tube + "No Comply" Laser Engraving

    Omega Tactical

    No Comply Mil-Spec Buffer Tube

    (1)
    On demand
    $14.99 USD
    View details
  • NcSTAR AR-15 Combo Armorer Wrench Tool NcSTAR AR-15 Combo Armorer Wrench Tool, alternate view 2

    NcSTAR

    NcSTAR AR-15 Combo Armorer Wrench Tool

    (1)
    5 available
    $25.95 USD
    View details
  • Trinity Force QD M-Lok Sling Mount

    Trinity Force

    Trinity Force QD M-LOK Sling Mount

    4 available
    $11.99 USD
    View details
  • Guntec Ultralight Series Gen 2 Skeletonized Anodized Aluminum Pistol Grip — alternate view 14 Guntec Ultralight Series Gen 2 Skeletonized Anodized Aluminum Pistol Grip — alternate view 13

    Guntec USA

    Guntec Ultralight Gen 2 Skeletonized Aluminum Pistol Grip

    🎨 11 colors available

    From $59.99 USD
    View details
  • Strike Industries GRIDLOK Complete AR-15 Handguard in 8.5" Strike Industries Gridlock AR15 Handguard 11" Black

    Strike Industries

    Strike Industries GRIDLOK Complete AR-15 Handguard

    🎨 3 colors available

    From $259.95 USD
    View details
  • Bravo Company Manufacturing 3" Picatinny Rail Section - Aluminum - M-LOK Bravo Company Manufacturing 3" Picatinny Rail Section - Aluminum - M-LOK — alternate view 2

    Bravo Company Manufacturing (BCM)

    BCM 3 Inch Aluminum Picatinny Rail Section - M-LOK

    8 available
    $19.95 USD
    View details
  • Strike Industries Carbine-Length Handguard with Red Heat Shield Strike Industries Carbine-Length Handguard with Red Heat Shield — alternate view 2

    Strike Industries

    Strike Industries Carbine-Length AR-15 Handguard with Heat Shield

    🎨 3 colors available

    $28.95 USD
    View details
  • NcSTAR DDAB Tactical Red Dot Mini Reflex Sight - Black NcSTAR DDAB Tactical Red Dot Mini Reflex Sight - Black — alternate view 2

    NcSTAR

    NcSTAR DDAB Tactical Mini Red Dot Reflex Sight - Black

    Very low stock (1 available)
    $34.99 USD
    View details
  • Super Slim Picatinny Riser Mount 1" High 3 Slots Super Slim Picatinny Riser Mount 1" High 3 Slots — alternate view 2

    Leapers UTG

    Super Slim Picatinny Riser Mount - 1" High, 3 Slots

    (1)
    Restocking soon
    $14.99 USD
    View details
  • M-LOK Picatinny Rail Sections – 3, 5, and 7 Slots – 3 Slots M-LOK Picatinny Rail Sections – 3, 5, and 7 Slots – 3 Slots — alternate view 2

    STNGR

    STNGR M-LOK Picatinny Rail Sections - 3, 5, and 7 Slots

    🎨 3 colors available

    From $14.99 USD
    View details
  • Omega Mfg. Extended 2 Piece AR-15 Mag Release

    Omega Tactical

    Omega Extended 2-Piece Mag Release for AR-15, T15 & T16

    Restocking soon
    $19.99 USD
    View details
  • Northtac MM3 3x Flip-to-Side Magnifier

    Northtac

    Northtac MM3 3x Flip-to-Side Magnifier

    On demand
    $119.99 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
>