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PRIMARY WEAPONS RIFLE PARTS PRODUCTS

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 Rifle Parts Products — 27 Products / 11 Models

Quality stands out when it matters most, and our PRIMARY WEAPONS Rifle Parts lineup delivers 27 in-stock products starting at $4.99 across 11 models including Rifle Receivers & Parts, Rifle Muzzle Devices, Rifle Recoil Parts, Rifle Barrels & Parts. 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: 4.8 stars across 102 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 Gun Parts selection to see what else this brand brings to the table.

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27 Total Products
Products:  1  –  27  of 27
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 - 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 - 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

In stock
PRIMARY WEAPONS - AR-15 RATCHET CASTLE NUT QD END PLATE SET PRIMARY WEAPONS - AR-15 RATCHET CASTLE NUT QD END PLATE SET
5 Stars
(4.8)

$39.95

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 - 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

In stock
PRIMARY WEAPONS - FRC 308 CALIBER THREE-PORT COMPENSATOR PRIMARY WEAPONS - FRC 308 CALIBER THREE-PORT COMPENSATOR
5 Stars
(5.0)

$84.96 - $89.95

Select Items In Stock
PRIMARY WEAPONS - FRC 223 CALIBER THREE-PORT COMPENSATOR PRIMARY WEAPONS - FRC 223 CALIBER THREE-PORT COMPENSATOR
5 Stars
(0.0)

$89.95

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 - FRC 223 CALIBER COMPENSATOR FOR 13.8" BARREL PRIMARY WEAPONS - FRC 223 CALIBER COMPENSATOR FOR 13.8" BARREL
5 Stars
(0.0)

$84.96 - $89.95

Select Items In Stock
PRIMARY WEAPONS - UXR 300 AAC BLACKOUT CONVERSION KIT PRIMARY WEAPONS - UXR 300 AAC BLACKOUT CONVERSION KIT
5 Stars
(0.0)

$499.95 - $534.95

Select Items 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 - UXR 223 WYLDE CONVERSION KIT PRIMARY WEAPONS - UXR 223 WYLDE CONVERSION KIT
5 Stars
(0.0)

$534.95

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 - UXR MAGWELL ASSEMBLY PRIMARY WEAPONS - UXR MAGWELL ASSEMBLY
5 Stars
(0.0)

$109.95 - $199.95

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PRIMARY WEAPONS - AR 308 ENHANCED BUFFER CARBINE BLACK PRIMARY WEAPONS - AR 308 ENHANCED BUFFER CARBINE BLACK
5 Stars
(4.5)

$89.95

In stock
PRIMARY WEAPONS - AR-308 .308 SHIM KIT PRIMARY WEAPONS - AR-308 .308 SHIM KIT
5 Stars
(4.3)

$4.99

In stock
PRIMARY WEAPONS - AR-15 .223 SHIM SET PRIMARY WEAPONS - AR-15 .223 SHIM SET
5 Stars
(4.7)

$4.99

In stock
PRIMARY WEAPONS - AR-15 ENHANCED BUFFERS CARBINE BLACK PRIMARY WEAPONS - AR-15 ENHANCED BUFFERS CARBINE BLACK
5 Stars
(4.8)

$39.95 - $117.37

Out of Stock
PRIMARY WEAPONS - FRC 223 CALIBER TWO-PORT COMPENSATOR PRIMARY WEAPONS - FRC 223 CALIBER TWO-PORT COMPENSATOR
5 Stars
(0.0)

$89.95

Out of Stock
PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE RIFLE LOWER RECEIVER PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE RIFLE LOWER RECEIVER
5 Stars
(5.0)

$629.95

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 - MK1 MOD 2-M STRIPPED AMBIDEXTROUS LOWER RECEIVER PRIMARY WEAPONS - MK1 MOD 2-M STRIPPED AMBIDEXTROUS LOWER RECEIVER
5 Stars
(5.0)

$319.95

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
PRIMARY WEAPONS - FRC 308 CALIBER TWO-PORT COMPENSATOR PRIMARY WEAPONS - FRC 308 CALIBER TWO-PORT COMPENSATOR
5 Stars
(0.0)

$84.96 - $89.95

Out of Stock
PRIMARY WEAPONS - ENHANCED GEN 2 BUFFER TUBE RATCHET LOCK NUT END PLATE MIL-SPEC PRIMARY WEAPONS - ENHANCED GEN 2 BUFFER TUBE RATCHET LOCK NUT END PLATE MIL-SPEC
5 Stars
(4.9)

$99.95

Out of Stock
PRIMARY WEAPONS - AK-47 J-TAC47 COMPENSATOR 30 CALIBER PRIMARY WEAPONS - AK-47 J-TAC47 COMPENSATOR 30 CALIBER
5 Stars
(5.0)

$49.26

Out of Stock
Products:  1  –  27  of 27