Primary Weapons Systems AR-15 Parts

MyGunLab compares prices on 104 Primary Weapons Systems products from 8 stores, in 9 categories. Most are upper receivers, muzzle devices and buffer tubes & springs. Below are the lowest-priced Primary Weapons Systems parts a store has right now in each category; open a category to see them all and filter by length, caliber and more.

Primary Weapons Systems upper receivers

All 40 upper receivers

M-LOK Mk116 Mod 1-M 223 Wylde Upper Receiver W/16.1" Bbl

Primary Weapons Systems

$1,073.45 at OpticsPlanet · 6 stores In stock Sale

M-LOK Mk111 Mod 1-M 223 Wylde Upper Receiver W/11.85" Bbl

Primary Weapons Systems

$1,129.95 at Brownells · 5 stores In stock

M-LOK Mk109 Mod 1-M 300BLK Upper Receiver W/9.75" Bbl

Primary Weapons Systems

$1,129.95 at Brownells · 5 stores In stock

Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only

Primary Weapons Systems

$1,129.95 at Brownells · 6 stores In stock

Primary Weapons Systems muzzle devices

All 27 muzzle devices

Jtac 47 Compensator 7.62x39mm .900" Dia M14x1 LH Threads

Primary Weapons Systems

$49.99 at GunMag Warehouse · 2 stores In stock

Three-Port FRC Flat 3-Port 223 Caliber 1/2"-28 Threads Compensator

Primary Weapons Systems

$84.95 at OpticsPlanet · 2 stores In stock Sale

Two-Port FRC Flat 2-Port 223 Caliber 1/2"-28 Threads Compensator

Primary Weapons Systems

$84.95 at OpticsPlanet · 6 stores In stock Sale

Three-Port FRC Flat 3-Port 308 Caliber 5/8"-24 Threads Compensator

Primary Weapons Systems

$84.95 at OpticsPlanet · 3 stores In stock Sale

Primary Weapons Systems buffer tubes & springs

All 10 buffer tubes & springs

AR-15 Enhanced Buffer Steel Body Carbine H2 Black

Primary Weapons Systems

$39.99 at GunMag Warehouse · 4 stores In stock

AR-15 Enhanced Buffer Steel Body Carbine H3 Black

Primary Weapons Systems

$79.99 at GunMag Warehouse · 4 stores In stock

Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate

Primary Weapons Systems

$99.95 at Ammunition Depot · 2 stores In stock

AR-15 Enhanced Buffer Steel Body Carbine H4 Black

Primary Weapons Systems

$179.95 at Ammunition Depot · 2 stores In stock

Primary Weapons Systems lower receivers

All 9 lower receivers

Mk1 Mod 2-M Stripped Ambidextrous Lower Receiver

Primary Weapons Systems

$299.95 at MidwayUSA · 4 stores In stock

Primary Weapons Systems MK1 MOD 1 AR-15 Stripped Lower (Cannon)

Primary Weapons Systems

$84.50 at Rainier Arms

Primary Weapons Systems MK1 MOD 1 AR-15 Stripped Lower Receiver

Primary Weapons Systems

$99.41 at Rainier Arms

Primary Weapons Systems AR-15 MK1, MOD 2-M Stripped Lower Receiver

Primary Weapons Systems

$199.71 at Rainier Arms

Primary Weapons Systems barrels

FRC Flat 3-Port 223 Cal 1/2-28 Thrd Compensator For 13.8"bbl

Primary Weapons Systems

$89.95 at MidwayUSA · 2 stores In stock

FRC Flat Triad 223 Cal 1/2-28 Thrd Compensator For 13.8"bbl

Primary Weapons Systems

$89.95 at MidwayUSA · 2 stores In stock

UXR 223 Wylde 14.5" Barrel Conversion Kit

Primary Weapons Systems

$439.99 at GunMag Warehouse · 4 stores In stock

UXR 223 Wylde 16" Barrel Conversion Kit

Primary Weapons Systems

$439.99 at GunMag Warehouse · 4 stores In stock

Primary Weapons Systems lower parts

All 4 lower parts

UXR 223 Wylde/300 AAC Blackout Magwell Assembly Black

Primary Weapons Systems

$109.95 at Brownells · 5 stores In stock

Primary Weapons Systems accessories

All 3 accessories

Rachet Castle Nut QD End Plate Set

Primary Weapons Systems

$39.95 at Ammunition Depot · 2 stores In stock

Primary Weapons Systems KeyMod Bipod Adapter for Harris style bipods

Primary Weapons Systems

$21.21 at Rainier Arms · 2 stores

Cqb556 Compensator 22 Caliber 1/2-28 Steel Black

Primary Weapons Systems

$106.99 at Brownells

Primary Weapons Systems upper parts

All 2 upper parts

AR-15 .223 Shim Set Steel Unfinished

Primary Weapons Systems

$4.99 at Brownells In stock

Primary Weapons Systems

$4.99 at Brownells In stock

Primary Weapons Systems suppressors

All 1 suppressors

Bde 5.56 NATO Direct Thread Suppressor Black

Primary Weapons Systems

$899.95 at Brownells · 2 stores In stock

All brands · Start a build