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
  • Harris Bipod 9-13 Inch Notched Legs - Swivel Harris Bipod 9-13 Inch Notched Legs - Swivel — alternate view 2

    Harris Bipods

    Harris S-BRM 9-13 Inch Swivel Bipod - Notched Legs

    On demand
    $160.69 USD
    View details
  • SLx MD-25 Rotary Knob 25mm Microdot Gen II with AutoLive - 2 MOA Red Dot SLx MD-25 Rotary Knob 25mm Microdot Gen II with AutoLive - 2 MOA Red Dot — alternate view 2

    Primary Arms

    Primary Arms SLx MD-25 Gen II AutoLive 2 MOA Red Dot Sight

    Very low stock (1 available)
    $159.99 USD
    View details
  • Planet Eclipse EMF100 PWR Stock – Black Planet Eclipse EMF100 PWR Stock – Flat Dark Earth — alternate view 2

    Planet Eclipse

    Planet Eclipse EMF100/MG100 PWR Stock

    🎨 2 colors available

    $69.95 USD
    View details
  • Insert Locking Adapter - Freak barrel to Ported Fake Suppressor
    Sold out

    Lapco Paintball

    LAPCO Freak Insert Locking Adapter for FSC, T15 & T16

    $21.95 USD
    View details
  • Omega Deals Holy Ambidextrous Charging Handle + Storage Grip

    Omega Tactical

    Omega Deals Ambidextrous Charging Handle + Storage Grip Bundle

    On demand
    $24.99 USD
    View details
  • Magpul MBUS Rear Sight Black

    Magpul

    Magpul MBUS Sight Rear

    🎨 4 colors available

    $59.99 USD
    View details
  • Team Accessories Corp AR-15 Polymer Rubber Coated Pistol Grip - Straight Top Grip, Grid Texture - Gray

    Davidson Defense

    Team Accessories AR-15 Rubber Coated Pistol Grip - Gray

    (1)
    Very low stock (1 available)
    $6.99 USD
    View details
  • Linkogear HB-C02M Carbon Fiber QD Bipod Linkogear HB-C02M Carbon Fiber QD Bipod, alternate view 2
    📦 Ships Direct
    15% off

    MUCITUP

    Linkogear HB-C02M Bipod – Brown, Carbon Fiber, Quick-Detach, 7-10” Adjust

    (1)
    5 available
    $110.00 USD $130.00
    View details
  • Primary Arms Classic Gen 2 Mini Reflex Sight - 3 MOA Green Dot Primary Arms Classic Gen 2 Mini Reflex Sight - 3 MOA Green Dot, alternate view 2

    Primary Arms

    Primary Arms Classic Gen 2 Mini Reflex Sight - 3 MOA Green Dot

    On demand
    $169.99 USD
    View details
  • Geissele Automatics Super Modular Rail MK16 Handguard in Black Geissele Automatics Super Modular Rail MK16 Handguard in Black, alternate view 2

    Geissele Automatics

    Geissele Automatics Super Modular Rail MK16 Handguard

    🎨 2 colors available

    From $332.00 USD
    View details
  • Davidson Defense AR-15 4 Inch M-LOK Free Float Handguard Davidson Defense AR-15 4 Inch M-LOK Free Float Handguard, alternate view 2

    Davidson Defense

    Davidson Defense AR-15 4 Inch M-LOK Free Float Handguard

    Low stock (2 available)
    $32.99 USD
    View details
  • Spike's Tactical Heavy Duty Small D Push Button QD Sling Swivel

    Spikes Tactical

    Spike's Tactical Heavy Duty Small D Push Button QD Sling Swivel

    Very low stock (1 available)
    $16.49 USD
    View details
  • Ultralight Series Skeletonized Aluminum Pistol Grip (Matte Rainbow Pvd Coated) Ultralight Series Skeletonized Aluminum Pistol Grip (Matte Rainbow Pvd Coated) — alternate view 2

    Guntec USA

    Guntec Ultralight Skeletonized Aluminum Pistol Grip - Matte Rainbow PVD

    Very low stock (1 available)
    $129.00 USD
    View details
  • Battle Arms Development BAD ASS Pro Ambidextrous Safety Selector - Standard & Short Steel Levers

    Battle Arms Development

    Battle Arms Development BAD-ASS-PRO Ambidextrous Safety Selector

    Very low stock (1 available)
    $54.99 USD
    View details
  • SureFire CR123A Lithium Batteries - 2 Pack SureFire CR123A Lithium Batteries - 2 Pack — alternate view 2

    SureFire

    SureFire CR123A Lithium Batteries - 2 Pack

    5 available
    $7.00 USD
    View details
  • Anderson Manufacturing AR-15 Receiver Extension Buffer Tube - MIL-SPEC Carbine
    Sold out

    Anderson Manufacturing

    Anderson Manufacturing AR-15 Mil-Spec Carbine Buffer Tube

    $24.99 USD
    View details
  • Holosun HS510C Red Dot & HM3X Magnifier Combo

    Holosun

    Holosun HS510C Red Multi-Reticle Sight + HM3X Magnifier

    On demand
    $484.99 USD
    View details
  • Holosun HE510C-GR Elite Solar Powered Open Reflex Circle Green Dot Sight – Flat Dark Earth Holosun HE510C-GR Elite Solar Powered Open Reflex Circle Green Dot Sight – Black — alternate view 2

    Holosun

    Holosun 510C Green Multi-Reticle Reflex Sight

    🎨 2 colors available

    $339.99 USD
    View details
  • Holosun HE515GM-GR green Multi-Reticle QD rifle sight Holosun HE515GM-GR green Multi-Reticle sight alternate view

    Holosun

    Holosun HE515GM-GR Green Multi-Reticle QD Sight

    On demand
    $349.99 USD
    View details
  • Shooter's Bipod, Quick Detach, 6.2"-6.7" Center Height UTG Shooter’s Bipod - 6"-7" Center Height, Picatinny, alternate view 2

    Leapers UTG

    UTG Shooter’s Bipod - 6"-7" Center Height, Picatinny

    Very low stock (1 available)
    $57.97 USD
    View details
  • Ambidextrous Combat Foregrip, Symmetric Contour Ambidextrous Combat Foregrip, Symmetric Contour — alternate view 2

    Leapers UTG

    Ambidextrous Combat Foregrip - Symmetric Contour

    (1)
    Restocking soon
    $19.99 USD
    View details
  • RCO™ Red Dot Sight with Circle Dot Reticle and Variable Riser Mounts RCO™ Red Dot Sight with Circle Dot Reticle and Variable Riser Mounts — alternate view 2

    AT3 Tactical

    AT3 RCO Red Dot Sight with Circle Dot Reticle and Variable Risers

    Very low stock (1 available)
    $159.99 USD
    View details
  • Replacement Barrel Nuts for V1 and V2 Handguards – Steel and Aluminum – V2 handguard

    STNGR

    STNGR Replacement Barrel Nuts for V1 and V2 Handguards

    From $22.99 USD
    View details
  • QD M-LOK Sling Mount

    STNGR

    STNGR M-LOK QD Sling Mount

    On demand
    $16.99 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
>