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
  • Northtac Ronin P-11 Red Dot Sight 1x20mm
    Sold out

    Northtac

    Northtac Ronin P-11 1x20mm Red Dot Sight

    $69.99 USD
    View details
  • Holosun Technologies, 407C-X2, Red Dot, 2 MOA, Black, Side Battery, Solar Failsafe, Mount Not Included Single Reticle Option

    Holosun

    Holosun 407C-X2 2 MOA Red Dot Sight

    On demand
    $244.99 USD
    View details
  • NcStar A2 Carry Handle, Picatinny Mount

    NcSTAR

    NcSTAR A2 Carry Handle Picatinny Mount

    Restocking soon
    $14.99 USD
    View details
  • NCSTAR 150 Lumen LED Compact FlashLight QR w/Strobe, Uses CR2 Battery

    NcSTAR

    NcSTAR 150 Lumen Compact LED Flashlight with Strobe

    Low stock (2 available)
    $32.99 USD
    View details
  • SB Tactical SBA5 black side profile SB Tactical SBA5 rear detail view

    SB Tactical

    SB Tactical SBA5 Pistol Stabilizing Brace

    🎨 3 colors available

    $99.99 USD
    View details
  • MechLabs ML Tank Stock for standard 13ci HPA tanks MechLabs ML Tank Stock angle view for 13ci HPA tank setups

    MechLabs

    MechLabs ML Tank Stock for 13ci HPA Tanks

    Very low stock (1 available)
    $48.00 USD
    View details
  • BCM MCMR Free Float M-LOK Handguard in Black BCM MCMR Free Float M-LOK Handguard in Black, alternate view 2

    Bravo Company Manufacturing (BCM)

    BCM MCMR Free Float M-LOK Handguard

    🎨 2 colors available

    From $206.95 USD
    View details
  • Guntec Ultralight Micro M-LOK Aluminum Handstop in Black Guntec Ultralight Micro M-LOK Aluminum Handstop in Red, alternate view 2

    Guntec USA

    Guntec Ultralight Micro M-LOK Aluminum Handstop

    🎨 11 colors available

    $29.95 USD
    View details
  • Forward Controls Design Winter Trigger Guard – Black Forward Controls Design Winter Trigger Guard – Olive Drab — alternate view 2

    Forward Controls Design

    Forward Controls Design Winter Trigger Guard

    🎨 3 colors available

    $28.99 USD
    View details
  • Strike Industries Strike Rail M-LOK AR-15 Handguard in Black Strike Industries Strike Rail M-LOK AR-15 Handguard- 7" – Black

    Strike Industries

    Strike Industries Strike Rail M-LOK AR-15 Handguard

    🎨 4 colors available

    From $159.95 USD
    View details
  • American Defense AD-BP Harris-Style Quick Detach Bipod Mount – Black American Defense AD-BP Harris-Style Quick Detach Bipod Mount – Flat Dark Earth — alternate view 2

    American Defense Manufacturing

    American Defense AD-BP Harris-Style QD Bipod Mount

    🎨 2 colors available

    $95.77 USD
    View details
  • "Ace Series" 4" AR-15 M-Lok Freefloat Handguard "Ace Series" 4" AR-15 M-Lok Freefloat Handguard — alternate view 2

    Gauntlet Arms

    Gauntlet Arms Ace Series M-LOK Freefloat Handguard

    From $49.99 USD
    View details
  • 507K-GR X2 Green Dot Sight 507K-GR X2 Green Dot Sight — alternate view 2

    Holosun

    Holosun 507K-GR X2 Green Dot Sight

    On demand
    $319.99 USD
    View details
  • 4X32 1" Crossbow Scope, Pro 5-Step RGB Reticle, QD Rings 4X32 1" Crossbow Scope, Pro 5-Step RGB Reticle, QD Rings — alternate view 2

    Leapers UTG

    4x32 1" Crossbow Scope, Pro 5-Step RGB Reticle, QD Rings

    (1)
    Very low stock (1 available)
    $205.99 USD
    View details
  • AR-15 Barrel Nut & Delta Ring Assembly AR-15 Barrel Nut & Delta Ring Assembly — alternate view 2

    AT3 Tactical

    AT3 AR-15 Barrel Nut & Delta Ring Assembly

    Low stock (2 available)
    $16.99 USD
    View details
  • Omega Deals - BCM Gunfighter Black Mod 3 Grip + United Defense AR-15 "Holy" Ambidextrous Charging Handle

    Omega Tactical

    Omega Deals BCM Gunfighter Grip + United Defense Ambidextrous Charging Handle

    On demand
    $39.99 USD
    View details
  • Magpul MOE Mil-Spec Collapsible AR-15 Carbine Synthetic Buttstock Magpul MOE Stock, OD Green

    Magpul

    Magpul MOE Mil-Spec Collapsible Carbine Stock

    (1)

    🎨 3 colors available

    $42.99 USD
    View details
  • Omega Manufacturing Rapid Transition Offset Polymer Sight Set

    Omega Tactical

    Omega Rapid Transition Offset Polymer Sight Set

    On demand
    $19.99 USD
    View details
  • Hogue AR-15/M-16 Rubber Grip Beavertail with Finger Grooves – Flat Dark Earth Hogue AR-15/M-16 Rubber Grip Beavertail with Finger Grooves – Olive Drab — alternate view 2

    Hogue Inc

    Hogue AR-15/M16 Rubber Beavertail Grip with Finger Grooves

    🎨 3 colors available

    From $26.99 USD
    View details
  • Magpul MOE K2+ Black Pistol Grip with Rubber Over Molding For AR-15 Magpul MOE-K2+ Grip AR15/M4

    Magpul

    Magpul MOE-K2+ Grip AR15/M4

    🎨 3 colors available

    $29.99 USD
    View details
  • Mercury Rise IntruBuster Gen 2 .68 caliber aluminum barrel and muzzle accessory kit

    Mercury Rise

    Mercury Rise IntruBuster Gen 2 .68 Cal Barrel & Muzzle Kit

    From $9.95 USD
    View details
  • Peltor COMTAC III-VI - Ear Pro Wrap in Cordura Fabric in Multicam Peltor COMTAC III-VI - Ear Pro Wrap in Cordura Fabric in Multicam, alternate view 2
    📦 Ships Direct

    Ranger Wrap

    Peltor COMTAC III-VI - Ear Pro Wrap in Cordura Fabric

    🎨 16 colors available

    From $35.00 USD
    View details
  • Davidson Defense AR-15 Scout Stock side view — integrated QD mount, black polymer Davidson Defense AR-15 Scout Stock side view — integrated QD mount, black polymer

    Davidson Defense

    Davidson Defense AR-15 Scout Stock - Mil-Spec Buffer Tube

    Very low stock (1 available)
    $26.99 USD
    View details
  • Primary Arms SLx 3X MicroPrism™ Scope - Red Illuminated ACSS Raptor Reticle - 5.56 / .308 - Yard – Black Primary Arms SLx 3X MicroPrism™ Scope - Red Illuminated ACSS Raptor Reticle - 5.56 / .308 - Yard – Flat Dark Earth — alternate view 2

    Primary Arms

    Primary Arms SLx 3X MicroPrism Scope - Red ACSS Raptor 5.56/.308 Yard

    🎨 2 colors available

    $359.95 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
>