Lower Receiver Parts

Lower Parts Kits

228 products

Triggers

595 products

Safety Selectors

182 products

Buffer Systems

549 products

Bolt Catches

85 products

Magazine Releases

132 products

Other Lower Parts

453 products

New Arrivals

Best Sellers

TriggerTech

TriggerTech Competitive Independence Pro, Curved Two-Stage AR-15 Trigger, Blue with White Engraving

The TriggerTech X43SBB33NNC Competitive Independence Pro Curved Two-Stage Trigger is engineered to deliver a crisp, consistent break for AR-15 shooters who demand precision. Built around a blue...

MSRP:

Was:

Now: $175.73
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TacFire

TacFire MAR049-PCC-A, Pistol Buffer Tube Kit, Matte

The TacFire Tacfire Mar049-Pcc-A Pcc 5.5oz Pstl B.Tube is a complete pistol buffer tube assembly designed for AR-platform pistol caliber carbines. This kit includes the pistol buffer tube with foam...

MSRP:

Was:

Now: $27.26

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TacFire

TacFire Pistol Kit, .45 ACP, 10.00" Barrel, Black Steel

The TacFire PK45ACPLPK10 Pistol Kit 45 ACP Black Steel brings together the core components you need to build a compact AR-style .45 ACP pistol. Centered around a USA-made 10-inch .45 ACP barrel,...

MSRP:

Was:

Now: $408.87
Lead & Steel

Lead & Steel LSVBLOWER, Lower Receiver Vise Block, Black Polymer

The Lead & Steel LSVBLOWER Lower Receiver Vise Block is a simple, purpose-built tool designed to hold an AR-style lower receiver securely while you work. Molded from durable black polymer, it slides...

MSRP:

Was:

Now: $7.74
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Leapers

Leapers Safety Selector, Ambidextrous 45/90 Degree AR15, Matte Black Anodized Aluminum/Steel

The Leapers TLTTKSLT Safety Selector 45/90 Degree AR15 Matte Black Anodized Aluminum/Steel is a purpose-built upgrade for mil-spec AR-15 lowers, offering a smooth, positive safety engagement from...

MSRP:

Was:

Now: $24.97

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TacFire

TacFire MAR078S QD End Plate, Quick Detach Sling Mount, Matte Black

The TacFire MAR078S QD End Plate Steel Black Matte AR-15 is a purpose-built receiver end plate that replaces the factory unit on your AR-15 to add a centered quick detach sling attachment point...

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Now: $5.61
Odin Works

Odin Works Extended Magazine Release Gen II, AR-15, Cerakote Flat Dark Earth

The Odin Works ACCXMR2FDE G2 Extended Magazine Release AR-15 Cerakote Flat Dark Earth 6061 Aluminum is a precision-machined upgrade that enhances magazine control on AR-15 platforms. Built from...

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Now: $23.75
TacFire

TacFire Mil-Spec M4, AR-15 6-Position Stock Kit, Black

The TacFire MAR084 Mil-Spec M4 Stock Kit Black is a complete AR-15/M4 furniture package that brings a classic collapsible M4-style stock and all required buffer components together in one...

MSRP:

Was:

Now: $32.86
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TacFire

TacFire SSPK45ACPLPK4, Pistol Kit, 45 ACP, 4.00" Barrel, Black Steel

The TacFire SSPK45ACPLPK4 Pistol Kit 45 ACP Black Steel is a complete upper and parts kit designed for builders who want a dependable 45 ACP pistol platform. This kit centers around a 4-inch barrel...

MSRP:

Was:

Now: $392.84

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Lead & Steel

Lead & Steel Mil-Spec Lower, Spring Kit, Black

The Lead & Steel LSLSK Mil-Spec Lower Spring Kit Black provides a complete set of critical springs for your mil-spec AR-15 style lower receiver. Designed to match factory specifications, this kit...

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Now: $4.65
Cobalt Kinetics

Cobalt Kinetics A5-CK H1 Buffer, H1 Buffer, Black Anodized

The Cobalt Kinetics A5CKH1 Buffer Black Anodized Aluminum is a purpose-built A5-CK H1 buffer designed in collaboration with VLTOR to refine the proven A5 buffer system. Engineered for AR platform...

MSRP:

Was:

Now: $48.86
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Strike Industries

Strike Industries AR-10 Extended Pivot/Takedown Pins, Extended Surface Area, Black Steel

The Strike Industries AR10EPTPBK Takedown/Pivot Pins AR-10 Black Steel are purpose-built extended pins designed to make separating your upper and lower receivers faster and more intuitive. Precision...

MSRP:

Was:

Now: $19.95

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