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Best-Selling Firearm Parts

(πŸ“¦ 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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  • AT3 Tactical

    AT3 Mil-Spec Magazine Catch Spring for AR-15, T15 & T16

    (1)
    On demand
    Regular price $1.29 USD
    View details
  • Lapco Paintball

    LAPCO M4/M16 Birdcage-Style Tip for Assault Barrels

    Low stock (2 available)
    Regular price $21.95 USD
    View details
  • Apex I and Apex II Ready Tip For Assault and STR8Shot Barrels – Long: 4-78" Apex I and Apex II Ready Tip For Assault and STR8Shot Barrels – Medium: 3-1/4" β€” alternate view 2
    Sold out

    Lapco Paintball

    LAPCO Apex I / Apex II Ready Tip for Assault & STR8Shot Barrels

    Regular price $21.95 USD
    View details
  • United Defense Labs.

    United Defense Heavy Duty Single/Dual Point Sling

    On demand
    Regular price $12.29 USD
    View details
  • Holosun

    Holosun 507C-X2 Micro Red Dot Sight

    On demand
    Regular price $329.99 USD
    View details
  • Northtac

    Northtac Ronin M-10 Closed Emitter Red Dot Sight

    Very low stock (1 available)
    Regular price $99.99 USD
    View details
  • US Tactical Ind

    US Tactical 45 Degree Offset Flip-Up Sight Set

    On demand
    Regular price $19.99 USD
    View details
  • Magpul

    Magpul MBUS Pro Sight Front

    Very low stock (1 available)
    Regular price $85.99 USD
    View details
  • Midwest Industries

    Midwest Industries Mil-Spec Flip-Up Sight Set

    On demand
    Regular price $167.95 USD
    View details
  • NcSTAR

    VISM Pro Series Mod 2 500 Lumen Tactical Flashlight

    (1)
    Low stock (2 available)
    Regular price $51.99 USD
    View details
  • JE Machine A-Frame Skeleton Stock w/ Integral Rubberized Butt Pad, Adjustable, Fits AR-15 Mil-Spec Buffer Tube, Black - Made in USA
    Sold out

    JE Machine

    JE Machine A-Frame Skeleton Stock - Mil-Spec Black

    Regular price $19.99 USD
    View details
  • Davidson Defense

    Recoil Technologies Ejection Port Door Kit for AR-15, T15 & T16

    On demand
    Regular price $9.99 USD
    View details
  • Strike Industries

    Strike Industries Enhanced Ultimate Dust Cover for AR-15, T15 & T16 - Standard

    4 available
    Regular price $16.99 USD
    View details
  • Strike Industries

    Strike Industries TRIBUS Enhanced Castle Nut & End Plate V2

    🎨 4 colors available

    Regular price $59.95 USD
    View details
  • B5 Systems

    B5 Systems Rail Cover M-LOK

    🎨 5 colors available

    Regular priceFrom $17.10 USD
    View details
  • Magpul

    Magpul MBUS Pro Back-Up Sight Rear

    4 available
    Regular price $114.95 USD
    View details
  • Midwest Industries

    Midwest Industries Combat Rail AR-15 M-LOK Handguard

    On demand
    Regular price $167.95 USD
    View details
  • Geissele Automatics

    Geissele Super Modular MK4 M-LOK AR-15 Handguard

    (1)

    🎨 2 colors available

    Regular priceFrom $281.00 USD
    View details
  • Holosun KPLT-MOS9MM adapter plate in black
    Sold out

    Holosun

    Holosun KPLT-MOS9MM K Footprint MOS Plate

    Regular price $39.99 USD
    View details
  • Olight

    Olight PL Turbo Valkyrie Weapon Light

    On demand
    Regular price $89.99 USD
    View details
  • Leapers UTG

    UTG OP3 1.5-6x36 Crossbow Scope with 130 Hunter BDC

    Very low stock (1 available)
    Regular price $328.97 USD
    View details
  • Guntec USA

    Guntec Air-LOK M-LOK Compression Free Float Handguard

    🎨 3 colors available

    Regular priceFrom $89.95 USD
    View details
  • Guntec USA

    Ultralight Aluminum M-LOK Vertical Grip

    🎨 9 colors available

    Regular price $34.95 USD
    View details
  • Davidson Defense

    Davidson Defense AR-15 7 Inch M-LOK Handguard

    Restocking soon
    Regular price $39.99 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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