Parts - Lower Parts - SquareKnot Trading Co.

SB Tactical

SB Tactical SBA4 Pistol Stabilizing Brace - Black

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Now: $99.99

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SB Tactical

SB Tactical SBA3 Pistol Stabilizing Brace - Black

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Now: $99.99

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SB Tactical

Spray Painted SB Tactical SBA3 Pistol Stabilizing Brace - Camo Spray Paint / Black

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Now: $40.00

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SB Tactical

SB Tactical SBA5 AR Pistol Stabilizing Brace - Black

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Now: $99.99

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B5 Systems

B5 Systems Bravo Stock - OD Green

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Now: $57.95

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B5 Systems

B5 Systems Bravo Stock - FDE

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Now: $57.95

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B5 Systems

B5 Systems Bravo Stock - Black

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Now: $57.95

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Radian

Radian Talon 45/90 Safety Selector 2-Levers

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Now: $64.99

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Hogue

Hogue AR15 Rubber Grip Beavertail - OD Green

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Now: $25.46

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Hogue

Hogue AR15 Rubber Grip With Finger Grooves - OD Green

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Now: $25.46

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Triggertech

TriggerTech - AR15 Two-Stage Competitive Trigger - Stainless

MSRP:

Was:

Now: $234.99 - $244.99
Triggertech

AR15 Two-Stage Adaptable Trigger

MSRP:

Was:

Now: $259.99 - $269.99
Triggertech

AR15 Single-Stage Competitive Trigger

MSRP:

Was:

Now: $234.99
Radian

Radian Raptor Charging Handle & Talon Selector Kit - Black

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Now: $128.20

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Radian

Radian Competition Talon Selector Switch

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Now: $61.70

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Bravo Company USA

BCMGUNFIGHTER Stock Mod 1-SOPMOD-Compartment

MSRP:

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Now: $69.95

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Bravo Company USA

BCMGUNFIGHTER Stock Assembly-Mod 0-SOPMOD

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Now: $57.95

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Bravo Company USA

BCMGUNFIGHTER Stock - Mod 0 - BCM-GFS-MOD-0-FDE

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Now: $55.95

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Bravo Company USA

Bcmgunfighter Stock - Mod 0

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Now: $55.95

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Sig Sauer

Sig Sauer MCX/MPX Folding Stock

MSRP:

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Now: $224.99

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Sig Sauer

Sig Sauer MCX/MPX Collapsible Stock

MSRP:

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Now: $249.99

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Sale

B&T

B&T APC9/GHM9 - Sig 320 Lower

MSRP: $492.99

Was:

Now: $450.00

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Sale

B&T

B&T APC9/GHM9 Gen 2 Lower - Used

MSRP: $520.00

Was:

Now: $350.00

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Sale

LaRue Tactical

LaRue Tactical RAT Stock - AR15/AR10

MSRP: $124.99

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Now: $99.99

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SB Tactical

SB Tactical SBA4 Pistol Stabilizing Brace - Black

Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4™ is 5-position adjustable and features an integral, ambidextrous QD sling socket. The SBA4 is compatible with any mil-spec carbine receiver extension...

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Now: $99.99

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SB Tactical

SB Tactical SBA3 Pistol Stabilizing Brace - Black

Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3™ is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket. The SBA3...

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Was:

Now: $99.99

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SB Tactical

Spray Painted SB Tactical SBA3 Pistol Stabilizing Brace - Camo Spray Paint / Black

Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3™ is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket. The SBA3...

MSRP:

Was:

Now: $40.00

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SB Tactical

SB Tactical SBA5 AR Pistol Stabilizing Brace - Black

SB Tactical SBA5 AR Pistol Stabilizing Brace - Black The SBA5™ Pistol Stabilizing Brace® is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral, ambidextrous QD...

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Was:

Now: $99.99

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B5 Systems

B5 Systems Bravo Stock - OD Green

B5 Systems Bravo Stock is built upon the success of the B5 Systems Enhanced SOPMOD. B5 has taken the features end users demand, offering them in a lighter, compact buttstock, at an even more attractive price point. The B5 Systems Bravo buttstock...

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Now: $57.95

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B5 Systems

B5 Systems Bravo Stock - FDE

B5 Systems Bravo Stock is built upon the success of the B5 Systems Enhanced SOPMOD. B5 has taken the features end users demand, offering them in a lighter, compact buttstock, at an even more attractive price point. The B5 Systems Bravo buttstock...

MSRP:

Was:

Now: $57.95

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B5 Systems

B5 Systems Bravo Stock - Black

B5 Systems Bravo Stock is built upon the success of the B5 Systems Enhanced SOPMOD. B5 has taken the features end users demand, offering them in a lighter, compact buttstock, at an even more attractive price point. The B5 Systems Bravo buttstock...

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Was:

Now: $57.95

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Radian

Radian Talon 45/90 Safety Selector 2-Levers

Radian Talon Ambidexturous Selector Lever - 2 Lever 45/90 - Use Code TALON25 for 25% Off The Talon Ambi Selector comes with one long and one short lever that are installed on precision machined dovetails, cut and retained with spring-loaded retention...

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Now: $64.99

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Hogue

Hogue AR15 Rubber Grip Beavertail - OD Green

The Hogue OverMolded pistol grip technology merges a durable fiberglass core with the soft comfort of rubber overmolding. Hogue's overmolding process creates a desirable pistol grip that provides the ultimate comfort along with weapon control. Hogue...

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Now: $25.46

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Hogue

Hogue AR15 Rubber Grip With Finger Grooves - OD Green

The Hogue OverMolded pistol grip technology merges a durable fiberglass core with the soft comfort of rubber overmolding. Hogue's overmolding process creates a desirable pistol grip that provides the ultimate comfort along with weapon control. Hogue...

MSRP:

Was:

Now: $25.46

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Triggertech

TriggerTech - AR15 Two-Stage Competitive Trigger - Stainless

Featuring Frictionless Release technology, this drop-in AR trigger has a short, two-stage action, designed to feel like a 1911 trigger, that provides a true zero-creep break, extremely short overtravel, a sub 0.030'' tactical reset and offers outstanding...

MSRP:

Was:

Now: $234.99 - $244.99
Triggertech

AR15 Two-Stage Adaptable Trigger

Featuring Frictionless Release technology, this drop-in AR trigger has a short, two-stage action, designed to feel like a 1911 trigger, that provides a true zero-creep break, extremely short overtravel, a sub 0.030'' tactical reset and offers outstanding...

MSRP:

Was:

Now: $259.99 - $269.99
Triggertech

AR15 Single-Stage Competitive Trigger

The same Zero-Creep technology is used in these single-stage AR triggers which is comprised of a patented, free-floating roller that is captured between the sear and the ticker. This advancement makes it possible to eliminate creep from every trigger.

MSRP:

Was:

Now: $234.99
Radian

Radian Raptor Charging Handle & Talon Selector Kit - Black

The Raptor is truly revolutionary in design & function. From rapid palm blading or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made in the USA from aircraft grade 7075 aluminum...

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Now: $128.20

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Radian

Radian Competition Talon Selector Switch

The Talon ambidextrous safety selector is a modular design that can be installed as a standard 90° or as a 45° short throw by simply rotating the shaft 180° inside the lower receiver. Selector levers install using a precision machined dovetail interface...

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Now: $61.70

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Bravo Company USA

BCMGUNFIGHTER Stock Mod 1-SOPMOD-Compartment

2 different types of ambidextrous sling mounting options, including QD swivel sockets. Longer overall length to fit longer ''MilSpec'' diameter AR10/A5/Intermediate receiver extensions. Storage compartment located in the toe of the stock, accessible...

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Now: $69.95

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Bravo Company USA

BCMGUNFIGHTER Stock Assembly-Mod 0-SOPMOD

The strongest light-weight polymer stock available for your mil-spec receiver extension. Modular VBOST (Vehicle Borne Operations Sling Tab) ‚œ This tab interfaces with the shooter's riggers' band or bungee to secure the shooter's sling against the stock...

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Now: $57.95

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Bravo Company USA

BCMGUNFIGHTER Stock - Mod 0 - BCM-GFS-MOD-0-FDE

The strongest light-weight polymer stock available for your mil-spec receiver extension. Modular VBOST (Vehicle Borne Operations Sling Tab) ‚œ This tab interfaces with the shooter's riggers' band or bungee to secure the shooter's sling against the stock...

MSRP:

Was:

Now: $55.95

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Bravo Company USA

Bcmgunfighter Stock - Mod 0

The strongest light-weight polymer stock available for your mil-spec receiver extension. Modular VBOST (Vehicle Borne Operations Sling Tab) ‚œ This tab interfaces with the shooter's riggers' band or bungee to secure the shooter's sling against the stock...

MSRP:

Was:

Now: $55.95

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Sig Sauer

Sig Sauer MCX/MPX Folding Stock

SIG SAUER factory replacement folding and telescoping stock installs easily on your MCX/MPX via the receivers 1913 interface. Stock is available in black.

MSRP:

Was:

Now: $224.99

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Sig Sauer

Sig Sauer MCX/MPX Collapsible Stock

SIG SAUER factory telescoping stock installs easily on your MCX/MPX via the receivers 1913 interface. Stock offers three different lengths of pull.

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Now: $249.99

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Sale

B&T

B&T APC9/GHM9 - Sig 320 Lower

B&T Gen 2 Sig P320 Magazine Lower for 9mm APC9 & GHM9 Polymer Gen 2 Lower for B&T APC9, GHM9, and SPC9 using Sig Sauer's P320 magazine. Compatible with Pro and non-Pro firearms. Includes one brand new Sig P320 21rd magazine (cannot be...

MSRP: $492.99

Was:

Now: $450.00

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Sale

B&T

B&T APC9/GHM9 Gen 2 Lower - Used

B&T Gen 2 Proprietary Magazine Lower for 9mm APC9 & GHM9 Polymer Gen 2 Lower for B&T APC9, GHM9, and SPC9. Compatible with Pro and non-Pro firearms.This lower is USED (see product photos) but in great shape, includes one each brand new...

MSRP: $520.00

Was:

Now: $350.00

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Sale

LaRue Tactical

LaRue Tactical RAT Stock - AR15/AR10

LaRue Tactical RAT Stock With simplicity in mind, the new LaRue RAT™ Stock was designed to be the ideal complement to the LaRue Tactical AR15 family of rifles. The unique 2-stage trigger mechanism allows shooters to adjust the pull length of the...

MSRP: $124.99

Was:

Now: $99.99

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