Aero Precision M4E1 16" Carbine-Length /Atlas R ONE handguard CALIFORNIA LEGAL - .223/5.56

This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS...

Palmetto State Armory PX-9 Glock Style Complete Lower CALIFORNIA LEGAL - 9mm

**Product in picture is California compliant and does not require CA compliant parts or modification.** Click Other details to read more from the Manufacturer.  

Stag Arms Stag15 20in Retro Upper CALIFORNIA LEGAL - .223/5.56

  **Product in picture is California compliant and does not require CA compliant parts or modification.** Click Other details to read more from the Manufacturer.

Aero M5 Lower Receiver CALIFORNIA LEGAL - .308/7.62x51- Black

**Product in picture is California compliant as is and does not require CA compliant parts or modification. CA Compliant parts are buyers responsibility when built into rifle.** Click Other details to read more from the Manufacturer.

Aero M5 Lower Reciever CALIFORNIA LEGAL - .308/7.62x51

**Product in picture is California compliant as is and does not require CA compliant parts or modification. CA Compliant parts are buyers responsibility when built into rifle.** Click Other details to read more from the Manufacturer.

Aero Precision AR15 Complete Lower Receiver w/ MOE SL Grip & SL-K Carbine Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision AR15 Complete Lower Receiver w/ MOE SL Grip & SL-S Carbine Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision AR15 Complete Lower Receiver, Standard CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the...

Aero Precision AR15 Complete Lower Receiver, Standard CALIFORNIA LEGAL - Multi- FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision AR15 Complete Upper 16" Mid-Length Barrel w/Pinned FSB CALIFORNIA LEGAL - .223/5.56

This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB and Magpul™ MOE® Mid-Length Handguard

Aero Precision AR15 Complete Upper 16" Mid-Length Barrel w/Pinned FSB FDE CALIFORNIA LEGAL - .223/5.56

This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB and Magpul™ MOE® Mid-Length Handguard

Aero Precision AR15 Gen 2 Carbine Complete Lower Receiver w/A2 Grip, No Stock CALIFORNIA LEGAL - .223/5.56 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision AR15 Stripped Lower Receiver Gen 2 CALIFORNIA LEGAL - .223/5.56 - Black

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Aero Precision EPC-9 Enhanced Receiver Set CALIFORNIA LEGAL - 9mm/.40 S&W

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision EPC-9 Lower Receiver CALIFORNIA LEGAL - 9mm/.40 S&W

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower (No Stock) California Legal - .223/5.56

Pistol grip IS California Compliant with AR Maglock Configuration.  **Product in picture is California compliant and may not depict actual CA compliant parts**  Click other details to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower CALIFORNIA LEGAL - .223/5.56

[Pistol grip and collapsible stock] ARE California Compliant with AR Maglock Configuration.   **Product in picture is California compliant and may not depict actual CA compliant parts**   Click other details to read more about this product...

Aero Precision M4E1 Complete Lower CALIFORNIA LEGAL - .223/5.56- FDE

Aero Precision M4E1 Complete Lower Receiver w/ A2 Grip and M4 Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ A2 Grip and M4 Stock CALIFORNIA LEGAL - .223/5.56 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ Magpul™ MOE and STR CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ Magpul™ MOE and STR CALIFORNIA LEGAL - .223/5.56 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ MOE SL Grip & SL-K Carbine Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ MOE SL Grip & SL-S Carbine Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower Receiver w/ MOE® Grip & PRS® Gen3 Rifle Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Lower w/ MOE® Grip & UBR® Gen2 Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Upper, 16" Mid Barrel, EM15 HG Gen 2 CALIFORNIA LEGAL - .223/5.56 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Complete Upper, 16" Mid-Length Barrel, EM-15 Gen 2 HG CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Enhanced No FA Complete Upper, 16" Mid, 15" Enhanced M-LOK CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Rifle Complete Lower Receiver w/ A2 Grip, No Stock CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Rifle Complete Lower Receiver w/ A2 Grip, No Stock CALIFORNIA LEGAL - .223/5.56 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Stripped Lower CALIFORNIA LEGAL - .223/5.56

**Product in picture is California compliant as is and does not require CA compliant parts or modification. CA Compliant parts are buyers responsibility when built into rifle.** Click Other details to read more from the Manufacturer.

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Threaded 16" Mid-Length No F/A Complete Upper Receiver w/ 15" M-LOK ATLAS R-ONE HG CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Threaded 20" Complete Upper Receiver w/ ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and...

Aero Precision M4E1 Threaded 20" Fluted Complete Upper Receiver w/ ATLAS R-ONE Handguard CALIFORNIA LEGAL - .223 Wylde

This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS...

Aero Precision M4E1 Threaded 20" Fluted Complete Upper Receiver w/ ATLAS R-ONE Handguard FDE CALIFORNIA LEGAL - .223 Wylde

This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS...

Aero Precision M4E1 Threaded Complete Upper, 16" M4 Barrel, 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Threaded Complete Upper, 16" Mid-Length Barrel, 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M4E1 Threaded Complete Upper, 16" SS Mid-Length Barrel, 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223 Wylde

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M5 Stripped Lower Receiver CALIFORNIA LEGAL - .308/7.62x51 - Black

**Product in picture is California compliant as is and does not require CA compliant parts or modification. CA Compliant parts are buyers responsibility when built into rifle.** Click Other details to read more from the Manufacturer.

Aero Precision M5 18" CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard CALIFORNIA LEGAL - .308 Win

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform,...

Aero Precision M5 18" CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard FDE CALIFORNIA LEGAL - .308 Win

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform,...

Aero Precision M5 Complete Lower Receiver w/ Magpul MOE & STR CALIFORNIA LEGAL - .308

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.

Aero Precision M5 Complete Lower Receiver w/ Magpul MOE & STR CALIFORNIA LEGAL - .308 - FDE

** Product pictured is California Legal as is and does not require CA Compliant parts or modification. CA Compliant parts are buyer's responsibility when built into rifle. ** Click OTHER DETAILS to read more about this product from the manufacturer.