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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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  • JE Machine A2 Rifle Tube with Screw
    Sold out

    JE Machine

    JE Machine A2 Rifle Tube with Screw

    $27.99 USD
    View details
  • LUTH-AR Ar-15 MBA-2 Skullaton Rifle Buttstock - Black

    Luth-AR

    Luth-AR MBA-2 Skullaton Rifle Buttstock - Black

    Low stock (2 available)
    $46.99 USD
    View details
  • Hogue AR-15 Stock Mil-spec BLK RBR
    Sold out

    Hogue Inc

    Hogue Mil-Spec Stock - Black Rubber

    $59.99 USD
    View details
  • Leapers, Inc. - UTG PRO, Mil-spec Stock - Includes Cheek Rest Plus Removable Extended Cheek Rest Insert

    Leapers UTG

    UTG PRO Mil-Spec Stock with Cheek Rest

    Very low stock (1 available)
    $29.99 USD
    View details
  • Trinity Force Cobra MK2 Stock - Black USA Made
    Sold out

    Trinity Force

    Trinity Force Cobra MK2 Stock - Black

    $32.49 USD
    View details
  • HR Combo Deal U.S Tactical Ind 45 Degree Offset Spring Loaded Flip-Up Sight Set + Tac Fire Red Dot Sight

    Omega Tactical

    HR Combo Deal Offset Flip-Up Sights + TacFire Red Dot

    On demand
    $44.99 USD
    View details
  • NcSTAR 35mm Red/Green/Blue Dot Optic/ Black Scope

    NcSTAR

    NcSTAR 35mm Red/Green/Blue Dot Optic

    On demand
    $60.99 USD
    View details
  • TacFire 1x30 Dual-Illuminated Red Dot Sight w/ Cantilever Mount - FDE
    Sold out

    Tac Fire

    TacFire 1x30 Dual-Illuminated Red Dot Sight - FDE

    $29.99 USD
    View details
  • TacFire 1x30 Dual-Illuminated Red Dot Sight w/ Cantilever Mount

    Tac Fire

    TacFire 1x30 Dual-Illuminated Red Dot Sight

    On demand
    $29.99 USD
    View details
  • 512-0 Holographic Weapon Sight

    EOTech

    EOTech 512 Holographic Weapon Sight

    On demand
    $539.99 USD
    View details
  • Northtac FLX01 Red Dot Sight
    Sold out

    Northtac

    Northtac FLX01 Red Dot Sight

    $39.99 USD
    View details
  • Northtac Ronin P-12 Red Dot Sight 1x20mm, Includes Absolute Mount
    Sold out

    Northtac

    Northtac Ronin P-12 1x20mm Red Dot Sight

    $83.99 USD
    View details
  • Northtac Ronin V10 1x35 Red Dot Sight
    Sold out

    Northtac

    Northtac Ronin V10 1x35 Red Dot Sight

    $69.99 USD
    View details
  • JE Machine Close Quarter Batter 2 MOA Red/Green Dot Sight With Riser And Picatinny Side Section
    Sold out

    JE Machine

    JE Machine Close Quarter 2 MOA Red/Green Dot Sight

    $49.99 USD
    View details
  • Swampfox Raider Micro Prism Sight 1x20 Green IR BRC
    Sold out

    Swampfox Optics

    Swampfox Raider 1x20 Micro Prism Sight - Green BRC

    $239.99 USD
    View details
  • BCM Gunfighter AR-15 Trigger Guard - Black

    Bravo Company Manufacturing (BCM)

    BCM Gunfighter AR-15 Trigger Guard - Black

    Low stock (2 available)
    $10.99 USD
    View details
  • Fortis Enhanced Pins Set - Black Nitride - Takedown & Pivot Pin 17-4 Stainless Steel With .247-.2485 Tolerance

    Fortis Manufacturing

    Fortis Enhanced Takedown & Pivot Pin Set - Black Nitride

    (2)
    On demand
    $24.99 USD
    View details
  • Omega Manufacturing AR15 Front Take Down Pin, Quick Pull (Pivot Pin)
    Sold out

    Omega Tactical

    Omega AR-15 Quick Pull Front Takedown Pivot Pin

    (1)
    $4.99 USD
    View details
  • Magpul MBUS Front Sight Black

    Magpul

    Magpul MBUS Sight Front

    🎨 4 colors available

    $39.99 USD
    View details
  • Omega Mfg. Front and Rear Flip-Up Sight Set - US Made

    Omega Tactical

    Omega Mfg. Front and Rear Flip-Up Sight Set

    On demand
    $19.99 USD
    View details
  • Midwest Industries Low Profile Mil-Spec Front Sight

    Midwest Industries

    Midwest Industries Mil-Spec Flip-Up Front Sight

    On demand
    $94.95 USD
    View details
  • Midwest Industries Rifle Rear Flip-up Sight, Mil-Spec

    Midwest Industries

    Midwest Industries Mil-Spec Flip-Up Rear Sight

    On demand
    $94.99 USD
    View details
  • JE Machine Front and Rear Folding Back Up Battle Sights

    JE Machine

    JE Machine Front and Rear Folding Backup Sights

    Very low stock (1 available)
    $19.99 USD
    View details
  • Standard AR Front Sight A2 Square Post Picatinny Mount
    Sold out

    Omega Tactical

    Standard AR A2 Front Sight - Picatinny Mount

    $49.99 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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