Skip to content

Filters

External Rifle Parts & Upgrades

External Rifle Parts & Upgrades (266 Results)

  • Magpul Industries Rail Section | Fits M-LOK Hand Guard | Aluminum | 9 Slots

    Original price $26.95
    Original price $26.95 - Original price $26.95
    Original price $26.95
    Current price $25.60
    $25.60 - $25.60
    Current price $25.60

    Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spe...

    View full details
  • Magpul Industries M-LOK Extended Cantilever Scout Mount | Aluminum | Fits Surefire Scout Light and Streamlight ProTac Rail Lights | Black

    Original price $36.95
    Original price $36.95 - Original price $36.95
    Original price $36.95
    Current price $35.10
    $35.10 - $35.10
    Current price $35.10

    The M-LOK Extended Cantilever Scout Mount provides maximum forward light positioning to minimize shadowing effects and return usable handguard spac...

    View full details
  • Magpul Industries M-LOK Rail Section | Fits M-LOK Hand Guard | 3 Slots | Black

    Original price $11.95
    Original price $11.95 - Original price $11.95
    Original price $11.95
    Current price $11.35
    $11.35 - $11.35
    Current price $11.35

    Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Polymer Rail Sections provide a cost effective method of attaching variou...

    View full details
  • Magpul Industries Rail Section | Fits M-LOK Hand Guard | Aluminum | 3 Slots

    Original price $20.95
    Original price $20.95 - Original price $20.95
    Original price $20.95
    Current price $19.90
    $19.90 - $19.90
    Current price $19.90

    Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spe...

    View full details
  • Magpul Industries Rail Light Mount | Aluminum | Fits M-LOK | Cantilever | 3 Slot | Black

    Original price $36.95
    Original price $36.95 - Original price $36.95
    Original price $36.95
    Current price $35.10
    $35.10 - $35.10
    Current price $35.10

    Designed for use with all M-LOK mounting surfaces, the M-LOK Aluminum Cantilever Rail/Light 3-Slot Mount allows the attachment of various MIL-STD-1...

    View full details
  • Magpul Industries Rail Section | Fits M-LOK Hand Guard | Aluminum | 7 Slots

    Original price $24.95
    Original price $24.95 - Original price $24.95
    Original price $24.95
    Current price $23.70
    $23.70 - $23.70
    Current price $23.70

    Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spe...

    View full details
  • Magpul Industries XT Rail Texture Panel | Accessory | Fits Picatinny Rail | Black

    Original price $11.95
    Original price $11.95 - Original price $11.95
    Original price $11.95
    Current price $11.35
    $11.35 - $11.35
    Current price $11.35

    XT Rail Panels offer low-profile 1913 Picatinny rail coverage. The semi-rubbery material offers improved weapon control and rail protection. Easily...

    View full details
  • Leupold Mark AR | Mount System | Matte Black

    $62.99
    Original price $62.99 - Original price $62.99
    Original price $62.99
    $62.99
    $62.99 - $62.99
    Current price $62.99

    The Mark AR Rail Mount is an aluminum one-piece base designed to fit any Picatinny rail and raise your mounting platform. Leupold's tactical Mark A...

    View full details
  • Warne Vapor | 1 Piece Base | Fits Howa 1500 Short Action/Weatherby Vanguard Short Action | Matte Finish | Black

    Original price $49.99
    Original price $49.99 - Original price $49.99
    Original price $49.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99

    Warne Vapor rails are designed to offer shooters an affordable and reliable mounting platform manufactured for your specific firearm. KEY FEATURES...

    View full details
  • Warne Vapor | 1 Piece Base | Fits Savage 110 Long Action | Matte Finish | Black

    Original price $49.99
    Original price $49.99 - Original price $49.99
    Original price $49.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99

    Warne Vapor rails are designed to offer shooters an affordable and reliable mounting platform manufactured for your specific firearm. KEY FEATURES...

    View full details
  • Warne Tactical 1 Piece Base | Fits Remington Short Action | Matte Finish

    Original price $149.99
    Original price $149.99 - Original price $149.99
    Original price $149.99
    Current price $119.99
    $119.99 - $119.99
    Current price $119.99

    Machined from solid steel in both standard and 20 MOA configurations, Warne Tactical Rails are designed around the Mil-Spec Picatinny style rail sy...

    View full details
  • Warne Tactical ARCA Rail | Fits M-LOK | 12" Long | Matte Anodized Finish | Black

    Original price $99.99
    Original price $99.99 - Original price $99.99
    Original price $99.99
    Current price $79.99
    $79.99 - $79.99
    Current price $79.99

    Warne M-LOK ARCA rails are made from 6061 T6 aluminum and act as a versatile mounting point for your rifle. Whether you seek the ability to attach ...

    View full details
  • Warne Tactical ARCA Rail | Fits M-LOK | 4" Long | Matte Anodized Finish | Black

    Original price $61.99
    Original price $61.99 - Original price $61.99
    Original price $61.99
    Current price $49.99
    $49.99 - $49.99
    Current price $49.99

    Warne M-LOK ARCA rails are made from 6061 T6 aluminum and act as a versatile mounting point for your rifle. Whether you seek the ability to attach ...

    View full details
  • Warne Vapor | 1 Piece Base | 20 MOA | Fits Savage 110 Long Action | Matte Finish | Black

    Original price $49.99
    Original price $49.99 - Original price $49.99
    Original price $49.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99

    Warne Vapor rails are designed to offer shooters an affordable and reliable mounting platform manufactured for your specific firearm. Warnes Vapor ...

    View full details
  • Warne Mountain Tech Tactical Rail | Fits Howa Mini Action | Anodized Finish | Black

    Original price $83.99
    Original price $83.99 - Original price $83.99
    Original price $83.99
    Current price $67.99
    $67.99 - $67.99
    Current price $67.99

    Warne Mountain Tech Picatinny rails offer unrivaled versatility and stability. With a consistent mounting platform across multiple firearms, you ca...

    View full details
  • Warne Vapor | 1 Piece Base | 20 MOA | Fits Howa 1500 Short Action/Weatherby Vanguard Short Action | Matte Finish | Black

    Original price $49.99
    Original price $49.99 - Original price $49.99
    Original price $49.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99

    Warne Vapor rails are designed to offer shooters an affordable and reliable mounting platform manufactured for your specific firearm. Warnes Vapor ...

    View full details
  • Warne Tactical 1 Piece Base | Fits Remington Short Action | with 20 MOA Incline | Matte Finish

    Original price $149.99
    Original price $149.99 - Original price $149.99
    Original price $149.99
    Current price $119.99
    $119.99 - $119.99
    Current price $119.99

    Machined from solid steel in both standard and 20 MOA configurations, Warne Tactical Rails are designed around the Mil-Spec Picatinny style rail sy...

    View full details
  • Warne Tactical ARCA Rail | Fits M-LOK | 8" Long | Matte Anodized Finish | Black

    Original price $86.99
    Original price $86.99 - Original price $86.99
    Original price $86.99
    Current price $69.99
    $69.99 - $69.99
    Current price $69.99

    Warne M-LOK ARCA rails are made from 6061 T6 aluminum and act as a versatile mounting point for your rifle. Whether you seek the ability to attach ...

    View full details
  • Reptilia LPR - M-LOK Rail - Anodized Finish - Black

    Original price $64.95
    Original price $64.95 - Original price $64.95
    Original price $64.95
    Current price $58.46
    $58.46 - $58.46
    Current price $58.46

    The Low Profile M-LOK Rail, driven by an end user request for a solution to mount an aiming laser as close to a M-LOK handguard as possible. Gettin...

    View full details
  • Trijicon Adapter - For Flattop - Additional Adapter Plate Needed for RX30

    $89.00
    Original price $89.00 - Original price $89.00
    Original price $89.00
    $89.00
    $89.00 - $89.00
    Current price $89.00

    Fits 3.5x35, 4x32, 5.5x50 ACOG, 1x42 Reflex (with ACOG bases) and 1-6x24 VCOG. Mounts optic to picatinny rail with two thumbscrews. KEY FEATURES: ...

    View full details
  • Micro Rail for Semi Auto Rifles with 11mm dovetail

    Original price $92.00
    Original price $92.00 - Original price $92.00
    Original price $92.00
    Current price $83.00
    $83.00 - $83.00
    Current price $83.00

  • SureFire HFM-09 Hellfighter Mount Assembly

    Original price $1,120.00
    Original price $1,120.00 - Original price $1,120.00
    Original price $1,120.00
    Current price $999.00
    $999.00 - $999.00
    Current price $999.00

    SureFire HFM-09 Hellfighter Mount Assembly - Precision Mounting for Heavy-Duty Weaponry The HFM-09 Hellfighter Mount Assembly is a robust and rel...

    View full details
  • Trijicon Picatinny Rail Mount - Fits Trijicon Q-LOC - Anodized Finish - Black

    $59.00
    Original price $59.00 - Original price $59.00
    Original price $59.00
    $59.00
    $59.00 - $59.00
    Current price $59.00

    The Trijicon Picatinny Rail is designed to mount to Accessory Ring Caps sold for Q-LOC style mounts. The rail can be located at 12 o-clock or eithe...

    View full details
  • Micro Rail for Shotguns with 11mm dovetail

    Original price $95.00
    Original price $95.00 - Original price $95.00
    Original price $95.00
    Current price $86.00
    $86.00 - $86.00
    Current price $86.00

  • SureFire M88A Hellfighter Mount Assembly

    $1,800.00
    Original price $1,800.00 - Original price $1,800.00
    Original price $1,800.00
    $1,800.00
    $1,800.00 - $1,800.00
    Current price $1,800.00

    SureFire M88A HellFighter Mount Assembly – Precision Mounting with Versatile Accessory Integration Secure and Reliable Mounting: The M88A HellFig...

    View full details
  • CMC Triggers M-Lok Picatinny Rail - 5 Slot - Fits M-LOK Rail - 2.5" Long - Anodized Finish - Black

    Original price $19.99
    Original price $19.99 - Original price $19.99
    Original price $19.99
    Current price $17.99
    $17.99 - $17.99
    Current price $17.99

    Designed for use with all M-LOK compatible handguards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec...

    View full details
  • Sig Sauer MCX-Spear LT | Complete Upper Receiver | .223 Remington/5.56 NATO | 11.5" Threaded Barrel | 1/2X28 Thread Pitch | Fits AR-15 Lower Receivers | Anodized Finish | Black | Includes Charging Handle and Bolt Carrier Group | 3-Prong/SIG Suppr

    $1,699.99
    Original price $1,699.99 - Original price $1,699.99
    Original price $1,699.99
    $1,699.99
    $1,699.99 - $1,699.99
    Current price $1,699.99

    The MCX-SPEAR LT, developed for the SF community, is the most advanced platform of its kind. Convert any M4/AR15 platform into a modernized folding...

    View full details
  • Sig Sauer MCX-SURG | Suppressed Upper Receiver Group | 11.5" Barrel | 223 Remington/5.56 NATO | Direct Thread 7.3" Reduced Blow-Back 5.56 Inconel Suppressor with Titanium Heat Shield | Anodized Finish | Flat Dark Earth | Includes Light Weight Low-P

    Original price $4,599.99
    Original price $4,599.99 - Original price $4,599.99
    Original price $4,599.99
    Current price $4,099.99
    $4,099.99 - $4,099.99
    Current price $4,099.99

    SIG SAUER is proud to introduce the MCX-SURG (Suppressed Upper Receiver Group) Upgrade Kit. Designed to meet the highly specialized needs of USSOCO...

    View full details
  • Sig Sauer Tread Handguard | 15" | Fits Sig Sauer M400 | Barrel Nut Not Included | M-LOK | Black

    $149.99
    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99

    This 15"" Tread M-LOK free float handguard features lightening cuts and is a two screw replacement for the Sig Tread rifle series. While compatible...

    View full details
  • Sig Sauer MCX-Rattler LT | Complete Upper Receiver | 300 Blackout | 6.75" Threaded Barrel | 5/8X24 Thread Pitch | Fits AR-15 Lower Receivers | Anodized Finish | Black | Includes Charging Handle and Bolt Carrier Group | Clutch-Lok Tapered QD Flash

    $1,799.99
    Original price $1,799.99 - Original price $1,799.99
    Original price $1,799.99
    $1,799.99
    $1,799.99 - $1,799.99
    Current price $1,799.99

    The MCX-RATTLER LT offers a 6.75"" cold-hammer-forged barrel, compatibility with AR-style triggers, an adjustable gas system for suppressor optimiz...

    View full details
  • Sig Sauer MCX-Spear LT | Complete Upper Receiver | 300 Blackout | 9" Threaded Barrel | 5/8X24 Thread Pitch | Fits AR-15 Lower Receivers | Anodized Finish | Black | Includes Charging Handle and Bolt Carrier Group | 3-Prong/SIG Suppressor QD Muzzle

    $1,699.99
    Original price $1,699.99 - Original price $1,699.99
    Original price $1,699.99
    $1,699.99
    $1,699.99 - $1,699.99
    Current price $1,699.99

    The MCX-SPEAR LT developed for the SF community is the most advanced platform of its kind. Convert any M4/AR15 platform into a modernized folding f...

    View full details
  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position | H2 Buffer | Super 42 Spring

    $172.00
    Original price $172.00 - Original price $172.00
    Original price $172.00
    $172.00
    $172.00 - $172.00
    Current price $172.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

    View full details
  • Sig Sauer ARCA Handguard | Fits Sig Cross Long Action | Moss Green

    $199.99
    Original price $199.99 - Original price $199.99
    Original price $199.99
    $199.99
    $199.99 - $199.99
    Current price $199.99

    Elevate your bolt-action shooting experience with the ARCA 11.5"" handguard, specifically designed for the CROSS rifle. This handguard is crafted f...

    View full details
  • Geissele Automatics Buffer Tube | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position

    $80.00
    Original price $80.00 - Original price $80.00
    Original price $80.00
    $80.00
    $80.00 - $80.00
    Current price $80.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from quality 7075-T6 Aluminum and finished in Type 3 Hardcoat Anodize, available in Black, Ge...

    View full details
  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position | H3 Buffer | Super 42 Spring

    $197.00
    Original price $197.00 - Original price $197.00
    Original price $197.00
    $197.00
    $197.00 - $197.00
    Current price $197.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

    View full details
  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Black | 6-Position | H3 Buffer | Super 42 Spring

    $189.00
    Original price $189.00 - Original price $189.00
    Original price $189.00
    $189.00
    $189.00 - $189.00
    Current price $189.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

    View full details
Free Shipping

No catches. Always in the USA.

Secure Payment

Guaranteed Secure Payment. SSL AES-256.

Certified 360°

Certified products. Certified and trusted shipping.

Clovis, California

Family owned and operated in the USA.

Professionals Trust Atomic Defense

What People Like You Are Saying

11/10! The small touches made such a big impact, like the patch, stickers and jolly ranchers were something I am beyond grateful for! Amazing product! Great price, very much satisfied.

C. Nelson

If you want updates regularly, just shoot Atomic Defense a message. They always respond quickly and answer any questions you have and can clarify. (*Modified for read-ability and formatting.)

S. Stocker

It's comfortable, like 8.9/10. I'm happy I went with Atomic Defense. Genuine equipment you can trust your life with.(*Modified for read-ability and formatting.)

C. Flick