FREE SHIPPING On Orders $99+ w/ Code: SHIP99 • Daily Deal: Sig Sauer Sierra3 BDX (Auto Holdover) 3.5-10x Scope  - $549.99 $349.99 Today Only!

FREE SHIPPING On Orders $99+ w/ Code: SHIP99 • Daily Deal: Sig Sauer Sierra3 BDX (Auto Holdover) 3.5-10x Scope  - $549.99 $349.99 Today Only!

PRIMARY WEAPONS GUN 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 Gun Parts Products — 31 Products / 11 Models

The right gear pays off when it counts, and our PRIMARY WEAPONS Gun Parts lineup delivers 31 in-stock products starting at $39.95 across 11 models including Rifle Parts.  Stack the savings Up To 13% Off on qualifying orders, all standing behind our Forever Guarantee®.

The numbers back it up: 4.8 stars across 106 verified buyer reviews, where customers consistently call out the fit, finish, and field performance that keeps them coming back. Discover the complete PRIMARY WEAPONS collection for more from a brand that has earned its reputation one customer at a time.

Sort by:
31 Results
Products:  1  –  31  of 31
Number of results: 
  • 32
  • 64
  • 96
Product badge
Product badge 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)

$1,178.99

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

$534.95

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

$89.95

Select Items 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 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 - 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 - 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

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 - 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 - 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

Select Items 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

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 - 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 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 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 - 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 - 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 - UXR 308 WINCHESTER CONVERSION KIT PRIMARY WEAPONS - UXR 308 WINCHESTER CONVERSION KIT
5 Stars
(0.0)

$534.95

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

$89.95

Out of Stock
PRIMARY WEAPONS - AR-308 .308 SHIM KIT PRIMARY WEAPONS - AR-308 .308 SHIM KIT
5 Stars
(4.3)

$4.99

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

$4.99

Out of Stock
PRIMARY WEAPONS - J-TAC47 30 CALIBER COMPENSATOR FOR AK-47 PRIMARY WEAPONS - J-TAC47 30 CALIBER COMPENSATOR FOR AK-47
5 Stars
(0.0)

$49.95

No longer available
PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE PISTOL LOWER RECEIVER PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE PISTOL LOWER RECEIVER
5 Stars
(0.0)

$599.95

No longer available
PRIMARY WEAPONS - AK-47 FSC47 MOD 2 MUZZLE BRAKE 7.62X39 PRIMARY WEAPONS - AK-47 FSC47 MOD 2 MUZZLE BRAKE 7.62X39
5 Stars
(4.5)

$89.95

No longer available
Products:  1  –  31  of 31