Firearms - Parts - Page 1 - SquareKnot Trading Co.

Primary Arms

Primary Arms SLx 1-10x28mm SFP Rifle Scope - Illuminated ACSS Nova Fiber Wire Reticle

MSRP:

Was:

Now: $449.99

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Aero Precision

Aero Precision M4E1-E .223 Wylde Barreled AR-15 Upper Receiver - Fluted - Gen 2 M-LOK Handguard - Black - 16"

MSRP:

Was:

Now: $499.99
Bravo Company USA

Bravo Company Manufacturing (BCM) 5.56 NATO Mid-Length AR-15 Barreled Upper - MCMR-13 - 14.5"

MSRP:

Was:

Now: $761.39
Steiner

Steiner MPS (Micro Pistol Sight)

MSRP:

Was:

Now: $549.99
Trijicon

Trijicon RMR Dual Illuminated Reflex Sight w/ 9.0 MOA Dot

MSRP:

Was:

Now: $634.00

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Surefire

Surefire X400U-A Weaponlight - Red Laser

MSRP:

Was:

Now: $611.00

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Trijicon

Trijicon RMR Type 2 W/ 3.25 Moa Red Dot Sight

MSRP:

Was:

Now: $689.00

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Trijicon

Trijicon MRO Patrol 1x25 Red Dot Sight

MSRP:

Was:

Now: $704.00

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Trijicon

Trijicon MRO 1x25 Red Dot Sight

MSRP:

Was:

Now: $668.00

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Trijicon

Trijicon MRO HD Magnifier 3x

MSRP:

Was:

Now: $555.00

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Trijicon

Trijicon RMRcc Red Dot Sight

MSRP:

Was:

Now: $699.00

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Streamlight

Tlr 10 G Flex

MSRP:

Was:

Now: $533.00
Streamlight

Tlr-10 Gun Light With Ambidextrous Rear Switch Options

MSRP:

Was:

Now: $432.00

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Streamlight

Tlr-8 A - STRE-69414

MSRP:

Was:

Now: $412.00

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Streamlight

Tlr-8 A

MSRP:

Was:

Now: $412.00
Streamlight

Tlr-8 Sub W/ Red Laser - Glock 43x/48 Mos & 43x/48 Rail

MSRP:

Was:

Now: $389.00
Streamlight

Vulcan 180 w/ Charger

MSRP:

Was:

Now: $404.00

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Surefire

Surefire X300V-B Vampire IR/White Weaponlight

MSRP:

Was:

Now: $431.00
Holosun

Holosun HE515CT - Rifle Sight - Green Reticle/Dot

MSRP:

Was:

Now: $459.99

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Holosun

Holosun HE508T-RD-X2 Elite Solar Powered Red Dot Sight - Titanium

MSRP:

Was:

Now: $399.99

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Holosun

Holosun AEMS - MRS Green

MSRP:

Was:

Now: $429.99
Holosun

Holosun AEMS - MRS Red

MSRP:

Was:

Now: $399.99

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EOTech

EOTech Model XPS3

MSRP:

Was:

Now: $699.00

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EOTech

EOTech Model XPS2

MSRP:

Was:

Now: $599.00

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Primary Arms

Primary Arms SLx 1-10x28mm SFP Rifle Scope - Illuminated ACSS Nova Fiber Wire Reticle

The Primary Arms SLx 1-10x28 Rifle Scope takes what is popular about low power variable optics and steps it up a notch to a larger magnification range without making sacrifices common with more traditional 10x optics. Now it comes with the popular Nova...

MSRP:

Was:

Now: $449.99

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Aero Precision

Aero Precision M4E1-E .223 Wylde Barreled AR-15 Upper Receiver - Fluted - Gen 2 M-LOK Handguard - Black - 16"

Aero Precision M4E1-E .223 Wylde Barreled AR-15 Upper Receiver - Fluted - Gen 2 M-LOK Handguard - Black - 16" The .223 Wylde chambering was designed by Bill Wylde as a way to take advantage of .223 Remington's accuracy while being able withstand the...

MSRP:

Was:

Now: $499.99
Bravo Company USA

Bravo Company Manufacturing (BCM) 5.56 NATO Mid-Length AR-15 Barreled Upper - MCMR-13 - 14.5"

BCM 5.56 NATO Mid-Length AR-15 Barreled Upper - MCMR-13 - 14.5" Whether you're a high-volume AR shooter or love to build your rifles from scratch, the Bravo Company Manufacturing 5.56 NATO Mid-Length Barreled Upper with MCMR-13 (MLOK) Handguard offers...

MSRP:

Was:

Now: $761.39
Steiner

Steiner MPS (Micro Pistol Sight)

Steiner brings battle-proven durability and mil-spec ruggedness to pistol red dots with the NEW MPS (Micro Pistol Sight). All-metal construction and enhanced sidewalls completely seal in the emitter. A recessed window with a metal hood blocks objects...

MSRP:

Was:

Now: $549.99
Trijicon

Trijicon RMR Dual Illuminated Reflex Sight w/ 9.0 MOA Dot

The Dual-Illuminated RMR uses fiber optics and tritium to illuminate the reticle. Fiber optics collect ambient light, automatically adjusting the reticle brightness. In situations with no (or low) light, the tritium illuminates the reticle. This version...

MSRP:

Was:

Now: $634.00

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Surefire

Surefire X400U-A Weaponlight - Red Laser

The SureFire X400U is engineered to fit virtually any rail-equipped pistol. Its recoil-proof LED and TIR lens focus 1,000 lumens of light into a smooth, far-reaching beam with a large central spot that is extremely effective combination for close- to...

MSRP:

Was:

Now: $611.00

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Trijicon

Trijicon RMR Type 2 W/ 3.25 Moa Red Dot Sight

The RMR Type 2 is designed with a patented housing shape that absorbs impacts and diverts stresses away from the lens to increase durability. It also offers redesigned and upgraded electronics that have been proven to perform when mounted on slide ride...

MSRP:

Was:

Now: $689.00

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Trijicon

Trijicon MRO Patrol 1x25 Red Dot Sight

The Trijicon Miniature Rifle Optic (MRO) is a reflex-style, sealed sight intended for use on rifles, carbines, and shotguns to provide fast target acquisition. It is designed to be used with both eyes open, providing the operator with maximum situational...

MSRP:

Was:

Now: $704.00

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Trijicon

Trijicon MRO 1x25 Red Dot Sight

The Trijicon Miniature Rifle Optic (MRO) is a reflex-style, sealed sight intended for use on rifles, carbines, and shotguns to provide fast target acquisition. It is designed to be used with both eyes open, providing the operator with maximum situational...

MSRP:

Was:

Now: $668.00

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Trijicon

Trijicon MRO HD Magnifier 3x

The Trijicon Miniature Rifle Optic (MRO) HD Magnifier is a 3 power reflex optic magnifier specifically designed to magnify the target and target seen through the MRO HD red dot optic. By magnifying the target the shooter is able to use the crisp dot in...

MSRP:

Was:

Now: $555.00

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Trijicon

Trijicon RMRcc Red Dot Sight

Split seconds matter. The new Trijicon RMRcc has a thinner, lower-profile design that reduces the risk of snags for a faster and easier draw. Although smaller, the RMRcc keeps all the great features of the Trijicon RMR. Easy-to-use buttons, a common 2032...

MSRP:

Was:

Now: $699.00

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Streamlight

Tlr 10 G Flex

The TLR-10 with integrated green laser includes customized ambidextrous switches with either a low or high position to match your shooting style. It features a rail clamp that is designed to rapidly attach/detach from full frame weapons. Features 1,000...

MSRP:

Was:

Now: $533.00
Streamlight

Tlr-10 Gun Light With Ambidextrous Rear Switch Options

The TLR-10 with integrated red laser includes customized ambidextrous switches with either a low or high position to match your shooting style. It features a rail clamp that is designed to rapidly attach/detach from full frame weapons.

MSRP:

Was:

Now: $432.00

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Streamlight

Tlr-8 A - STRE-69414

The new TLR-8A includes customized ergonomic switches featuring a low or high position to match your shooting style. It features an ambidextrious on/off switch and a rail clamp that is designed to rapidly attach/detach from the side of compact and full...

MSRP:

Was:

Now: $412.00

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Streamlight

Tlr-8 A

The new TLR-8A includes customized ergonomic switches featuring a low or high position to match your shooting style. It features an ambidextrious on/off switch and a rail clamp that is designed to rapidly attach/detach from the side of compact and full...

MSRP:

Was:

Now: $412.00
Streamlight

Tlr-8 Sub W/ Red Laser - Glock 43x/48 Mos & 43x/48 Rail

The TLR-8 sub is an ultra-compact gun light with integrated red laser and interchangeable rear paddle switches for subcompact railed pistols. Designed to enhance visibility and targeting capability in home defense and tactical situations, the lightweight...

MSRP:

Was:

Now: $389.00
Streamlight

Vulcan 180 w/ Charger

Lightweight and portable, the Vulcan 180 is designed to burn brighter and run longer to keep you covered on the job site. This rechargeable, waterproof lantern has a 180 degree tilting head which allows you to direct the light where you need it. Three...

MSRP:

Was:

Now: $404.00

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Surefire

Surefire X300V-B Vampire IR/White Weaponlight

When the sun goes down, the X300V-B can expose your adversaries even while you remain virtually undetectable, giving you a huge advantage. With high-output white-light and infrared LEDs in one sealed unit, its recoil-proof LED generates a versatile...

MSRP:

Was:

Now: $431.00
Holosun

Holosun HE515CT - Rifle Sight - Green Reticle/Dot

The HE515CT-GR is a 20mm micro optical sight designed for rifle and carbine applications. Features include a Titanium Housing, Solar Failsafe, Shake Awake, 12 brightness settings, Holosuns Green Super LED with up to 50k hours battery life, Multi-Reticle...

MSRP:

Was:

Now: $459.99

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Holosun

Holosun HE508T-RD-X2 Elite Solar Powered Red Dot Sight - Titanium

The Holosun HS508T-X2 is a new generation of pistol red dot sight packed full of features like the multiple reticle system, solar failsafe, and shake awake technology to ensure your reflex sight is always operational when you need it. On top of the two...

MSRP:

Was:

Now: $399.99

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Holosun

Holosun AEMS - MRS Green

Holosun AEMS 21301 features Multi-reticle System with Solar Failsafe and Shake Awake technology. The housing is made from 7075 aluminum and is black anodized for durability.In the Box:Lower 1/3 Co-witness MountMulti ToolClear Flip-down Len CoversUser...

MSRP:

Was:

Now: $429.99
Holosun

Holosun AEMS - MRS Red

Holosun AEMS 21301 features Multi-reticle System with Solar Failsafe and Shake Awake technology. The housing is made from 7075 aluminum and is black anodized for durability.In the Box:Lower 1/3 Co-witness MountMulti ToolClear Flip-down Len CoversUser...

MSRP:

Was:

Now: $399.99

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EOTech

EOTech Model XPS3

The XPS3 is smaller and lighter than all other holographic weapon sights but just as fast. Law enforcement officers and hunters appreciate the light weight and compact size for carrying convenience on the job and in the woods. The XPS3 runs on a single...

MSRP:

Was:

Now: $699.00

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EOTech

EOTech Model XPS2

The XPS2 is the shortest, smallest and lightest EOTech model holographic weapon sight available without night vision. Its size and weight make it convenient for hunters and law enforcement officers to carry. It is also fast and runs on a single 123...

MSRP:

Was:

Now: $599.00

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