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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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  • Arisaka Indexer M-Lok in black, angled product view Arisaka Indexer M-Lok in black, side product view

    Arisaka Defense

    Arisaka Indexer M-Lok

    🎨 2 colors available

    From $30.00 USD
    View details
  • Arisaka Hand Stop Picatinny in black aluminum Arisaka Hand Stop Picatinny in black, alternate angled product view

    Arisaka Defense

    Arisaka Hand Stop Picatinny

    🎨 1 color available

    $35.00 USD
    View details
  • Arisaka Finger Stop M-Lok in black, angled product view Arisaka Finger Stop M-Lok in black, side product view

    Arisaka Defense

    Arisaka Finger Stop M-Lok

    🎨 2 colors available

    From $25.00 USD
    View details
  • AT3 AR-15 safety selector assemblies with spring and detent in available finishes, including OD Green

    AT3 Tactical

    AT3 Tactical AR-15 Safety Selector Assembly with Spring and Detent

    🎨 9 colors available

    $9.39 USD
    View details
  • NcSTAR VISM quick-detach 1.25-inch sling swivel in black steel NcSTAR AASWQRB QD sling swivel push-button and 1.25-inch loop detail

    NcSTAR

    NcSTAR VISM Quick-Detach 1.25-Inch Sling Swivel

    Low stock (2 available)
    $7.99 USD
    View details
  • NcSTAR KeyMod 1-slot rubber rail covers in Urban Gray, 18 pack Close view of the hinged NcSTAR KeyMod single-slot rail cover

    NcSTAR

    NcSTAR KeyMod 1-Slot Rubber Rail Covers, 18 Pack - Urban Gray

    🎨 1 color available

    $9.99 USD
    View details
  • NcSTAR VG048 1913 folding vertical foregrip in Black

    NcSTAR

    VISM 1913 Folding Vertical Foregrip

    Very low stock (1 available)
    $17.99 USD
    View details
  • NcSTAR TLZ20G 20-gauge red laser cartridge bore sighter

    NcSTAR

    NcSTAR 20 Gauge Red Laser Bore Sighter

    4 available
    $17.99 USD
    View details
  • UTG AR-15 oversized trigger guard, black UTG AR-15 oversized trigger guard, blue

    Leapers UTG

    UTG AR-15 Oversized Trigger Guard

    🎨 3 colors available

    $15.97 USD
    View details
  • UTG Super Duty quick-detach bipod with Picatinny mount

    Leapers UTG

    UTG Super Duty QD Bipod, 6-8.5 in

    Very low stock (1 available)
    $68.97 USD
    View details
  • UTG Ultra Slim Picatinny angled foregrip, black aluminum

    Leapers UTG

    UTG Ultra Slim Picatinny Angled Foregrip

    Low stock (2 available)
    $24.97 USD
    View details
  • UTG D Grip quick-release deployable foregrip bipod

    Leapers UTG

    UTG D Grip Quick-Release Deployable Bipod

    Low stock (2 available)
    $99.97 USD
    View details
  • UTG Ultra Slim M-LOK handstop, black anodized aluminum UTG Ultra Slim M-LOK Handstop

    Leapers UTG

    UTG Ultra Slim M-LOK Handstop

    🎨 2 colors available

    $12.97 USD
    View details
  • UTG PRO Arwen 10 inch free-float M-LOK handguard UTG PRO Arwen 14 inch free-float M-LOK handguard

    Leapers UTG

    UTG PRO Arwen Free-Float M-LOK Handguard

    From $94.97 USD
    View details
  • UTG Ultra Slim M-LOK vertical foregrip, black aluminum

    Leapers UTG

    UTG Ultra Slim M-LOK Vertical Foregrip

    Low stock (2 available)
    $19.97 USD
    View details
  • UTG Super Slim Picatinny vertical foregrip, black aluminum

    Leapers UTG

    UTG Super Slim Picatinny Vertical Foregrip

    Low stock (2 available)
    $14.97 USD
    View details
  • UTG Ultra Slim Picatinny vertical foregrip, black aluminum

    Leapers UTG

    UTG Ultra Slim Picatinny Vertical Foregrip

    Low stock (2 available)
    $19.97 USD
    View details
  • UTG M-LOK rubberized panel covers, black, four pack

    Leapers UTG

    UTG M-LOK Rubberized Panel Covers, 4-Pack

    4 available
    $18.97 USD
    View details
  • Milsig HCS Hybrid Collapsible Stock for HeatCore markers Milsig HCS stock components including mount, buttpad and airline fitting

    Milsig Direct

    Milsig HCS Hybrid Collapsible Stock for HeatCore

    Low stock (2 available)
    $167.99 USD
    View details
  • Milsig Marksman ProComp muzzle brake in Gray Side view of Milsig Marksman ProComp muzzle brake in Gray

    Milsig Direct

    Milsig Marksman ProComp Muzzle Brake

    🎨 2 colors available

    $27.99 USD
    View details
  • Milsig Metal Tank Turret muzzle brake in black aluminum Side view of Milsig Metal Tank Turret muzzle brake

    Milsig Direct

    Milsig Metal Tank Turret Muzzle Brake

    Very low stock (1 available)
    $27.99 USD
    View details
  • Timber Creek Outdoors 45/90 Ambidextrous Safety Selector in Black Timber Creek Outdoors 45/90 Ambidextrous Safety Selector in Flat Dark Earth

    Timber Creek Outdoors

    Timber Creek Outdoors Ambidextrous 45/90 AR Safety Selector

    🎨 10 colors available

    $39.99 USD
    View details
  • Timber Creek Outdoors AR Oversized Trigger Guard in Black Timber Creek Outdoors AR Oversized Trigger Guard in Flat Dark Earth

    Timber Creek Outdoors

    Timber Creek Outdoors AR Oversized Trigger Guard

    🎨 10 colors available

    $23.99 USD
    View details
  • Close-up of Tyrant CNC NexGen safety selector levers with rubber overmold Tyrant CNC NexGen 45/90 ambidextrous AR-style safety selector in black

    Tyrant CNC

    Tyrant CNC NexGen 45/90 Ambidextrous AR Safety Selector

    🎨 5 colors available

    $52.95 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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