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PRIMARY WEAPONS UPPER RECEIVERS

Primary Weapons Systems (PWS) was founded in 2005 and is known for their long-stroke piston-driven AR-15 rifles and accessories. PWS rifles are designed for durability and reliability, making them popular among tactical shooters and military personnel. The company's innovative approach to firearm design has earned them a strong reputation in the industry.

PRIMARY WEAPONS Upper Receivers Products — 10 Products / 9 Models

Quality stands out when it matters most, and our PRIMARY WEAPONS Upper Receivers lineup delivers 10 in-stock products starting at $1,129.95 across 9 models including . Stack the savings on qualifying orders, and all Brownells & Sinclair brand products backed by our Forever Guarantee®.

Real feedback from real users tells the story: 5.0 stars across 10 verified buyer reviews highlighting the precision, durability, and value that keep this lineup in steady demand. Take a closer look at the full PRIMARY WEAPONS Rifle Receivers & Parts selection to see what else this brand brings to the table.

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10 Total Products
Products:  1  –  10  of 10
Number of results: 
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PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
5 Stars
(5.0)

$1,349.00

In stock
PRIMARY WEAPONS - MK116 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK116 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,399.95

In stock
PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,399.95

In stock
PRIMARY WEAPONS - MK114 MOD 1-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK114 MOD 1-M 223 WYLDE COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,129.95

In stock
PRIMARY WEAPONS - MK116 MOD 1-M 7.62X39MM COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK116 MOD 1-M 7.62X39MM COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,129.95

In stock
PRIMARY WEAPONS - MK116 MOD 2-M 7.62X39MM COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK116 MOD 2-M 7.62X39MM COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,399.95

In stock
PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 300 BLACKOUT M-LOK PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 300 BLACKOUT M-LOK
5 Stars
(5.0)

$1,129.95

Out of Stock
PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
5 Stars
(5.0)

$1,129.95

Out of Stock
PRIMARY WEAPONS - MK109 MOD 2-M 300 AAC BLACKOUT COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK109 MOD 2-M 300 AAC BLACKOUT COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,399.95

Out of Stock
PRIMARY WEAPONS - MK111 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK111 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
5 Stars
(0.0)

$1,399.95

Out of Stock
Products:  1  –  10  of 10