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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.

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  • Leapers, Inc. - UTG Ultra Slim Angled Foregrip, M-Lok, Black UTG Ultra Slim M-LOK angled foregrip in matte red

    Leapers UTG

    UTG Ultra Slim M-LOK Angled Foregrip

    🎨 3 colors available

    From $19.95 USD
    View details
  • Strike Industries AR Enhanced Ultimate Dust Cover 223 Flag Ver2 - Black

    Strike Industries

    Strike Industries Enhanced Ultimate Dust Cover for AR-15, T15 & T16 - Flag V2

    Low stock (3 available)
    $14.99 USD
    View details
  • VISM Picatinny Angled Foregrip with Storage

    NcSTAR

    VISM Picatinny Angled Foregrip with Storage

    (1)
    Very low stock (1 available)
    $12.99 USD
    View details
  • Leapers UTG Offset Picatinny QD Sling Swivel Socket

    Leapers UTG

    Leapers UTG Offset Picatinny QD Sling Swivel Socket

    4 available
    $11.49 USD
    View details
  • Anderson Manufacturing AR-15 Buffer Tube Castle Nut
    Sold out

    Anderson Manufacturing

    Anderson Manufacturing AR-15 Buffer Tube Castle Nut

    $9.99 USD
    View details
  • Inception Designs Sten Shroud Inception Designs Sten Shroud — alternate view 2

    Inception Designs

    Inception Designs Sten Shroud for SMP Body Builds

    Very low stock (1 available)
    $19.99 USD
    View details
  • Dynamic Sports Gear ASR Weaverrail Adjustable Paintball Riser (20mm) Dynamic Sports Gear ASR Weaverrail Adjustable Paintball Riser (20mm) — alternate view 2
    Sold out

    Dynamic Sports Gear

    Dynamic Sports Gear ASR 20mm Adjustable Weaver Rail Riser

    $109.99 USD
    View details
  • ALPHA Micro Red Dot Sight with Shake Awake and Cantilever Riser Mount – Red ALPHA Micro Red Dot Sight with Shake Awake and Cantilever Riser Mount – Green — alternate view 2

    AT3 Tactical

    AT3 ALPHA Micro Red Dot with Shake Awake and Cantilever Riser

    🎨 2 colors available

    From $119.99 USD
    View details
  • AXIOM II Red Dot Sight + QD Mount Bundle AXIOM II Red Dot Sight + QD Mount Bundle — alternate view 2

    STNGR

    STNGR AXIOM II Red Dot Sight with QD Mount Bundle

    (1)
    Very low stock (1 available)
    $89.99 USD
    View details
  • Luth-AR AR-15 MBA-1 Modular Buttstock Assembly Polymer Black

    Luth-AR

    Luth-AR MBA-1 Modular Buttstock Assembly - Black

    Restocking soon
    $131.99 USD
    View details
  • Luth-AR MBA-3 AR-15 Mil-Spec Stock

    Luth-AR

    Luth-AR MBA-3 Mil-Spec Stock

    (1)
    Very low stock (1 available)
    $149.99 USD
    View details
  • Magpul MBUS Gen2 Flip-Up Sight Set: Magpul MBUS Rear Sight Black + Magpul MBUS Front Sight Black

    Magpul

    Magpul MBUS Gen2 Flip-Up Sight Set - Black

    On demand
    $115.99 USD
    View details
  • Strike Industries Cobra Tactical AFG Fore Grip - Black – Flat Dark Earth Strike Industries Cobra Tactical AFG Foregrip in Black, alternate view 2

    Strike Industries

    Strike Industries Cobra Tactical AFG Foregrip

    🎨 2 colors available

    $22.95 USD
    View details
  • VISM M-LOK Polymer Vertical Foregrip

    NcSTAR

    VISM M-LOK Polymer Vertical Foregrip

    Low stock (2 available)
    $13.99 USD
    View details
  • BCM Gunfighter Mod 0 SOPMOD Stock Assembly - Mil-Spec in Black BCM Gunfighter Mod 0 SOPMOD Stock Assembly - Mil-Spec in Flat Dark Earth, alternate view 2

    Bravo Company Manufacturing (BCM)

    BCM Gunfighter Mod 0 SOPMOD Stock Assembly - Mil-Spec

    🎨 2 colors available

    $60.95 USD
    View details
  • Leapers UTG PRO M-LOK QD Sling Swivel Socket

    Leapers UTG

    Leapers UTG PRO M-LOK QD Sling Swivel Socket

    Low stock (3 available)
    $15.49 USD
    View details
  • Daniel Defense AR-15 pistol grip in Tornado Grey with included screw and storage cap Side view of Daniel Defense AR-15 pistol grip in Tornado Grey showing textured rubber overmolding

    Daniel Defense

    Daniel Defense AR-15 Pistol Grip - Tornado Grey

    Very low stock (1 available)
    $42.00 USD
    View details
  • Supremacy AOS (Advanced Optical System) Paintball Scope Supremacy AOS (Advanced Optical System) Paintball Scope — alternate view 2
    Sold out

    Carmatech Engineering

    Carmatech Supremacy AOS Paintball Scope

    $395.00 USD
    View details
  • Clamping Mini Tank Stock Clamping Mini Tank Stock — alternate view 2
    Sold out

    Exalt

    Exalt Clamping Mini Tank Stock

    (1)
    $29.95 USD
    View details
  • Pro Series AR 15 Flip-Up Backup Iron Sights (BUIS) – Front & Rear Set – Same Plane – IS-09 – W/O Front Sight Tool Pro Series AR 15 Flip-Up Backup Iron Sights (BUIS) – Front & Rear Set – Same Plane – IS-09 – W/ Front Sight Tool — alternate view 2

    AT3 Tactical

    AT3 Pro Series Flip-Up Backup Iron Sights - Front & Rear Set

    (1)
    From $49.99 USD
    View details
  • Tactical PRO-MOUNT Mini Riser Mount – .83 or 1 Inch Height Lightweight Cantilever Mount – Black Tactical PRO-MOUNT Mini Riser Mount – .83 or 1 Inch Height Lightweight Cantilever Mount – Black — alternate view 2

    AT3 Tactical

    AT3 Tactical PRO-MOUNT Mini Cantilever Riser Mount

    🎨 2 colors available

    $36.99 USD
    View details
  • Mil-Spec AR-15 Magazine Catch Button – 10 Colors Available – Black Mil-Spec AR-15 Magazine Catch Button – 10 Colors Available – Flat Dark Earth — alternate view 2

    AT3 Tactical

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

    🎨 10 colors available

    From $2.99 USD
    View details
  • Mil-Spec AR-15 Magazine Catch – 10 Colors Available – Black Mil-Spec AR-15 Magazine Catch – 10 Colors Available – Flat Dark Earth — alternate view 2

    AT3 Tactical

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

    🎨 9 colors available

    From $6.49 USD
    View details
  • Universal Mock Suppressor Universal Mock Suppressor — alternate view 2
    Sold out

    Lapco Paintball

    LAPCO Universal Mock Suppressor Barrel Accessory

    $65.95 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.

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