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Home
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Rifle Parts
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AR15
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AR15 Upper Parts
Choose a sub category:
Gas system
Muzzle Devices
Rails/Handguard
AR15 Laser Engraved Ejection Port Cover
Upper Receiver
AR15 Upper Parts
R&B Arms offers a variety of AR15 Upper Parts to help complete your rifle build or upgrade your existing rifles.
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AR-15 Gas Tube Roll pin
Our Price:
$0.15
3-Slot Rail (MLok) Attachment
Our Price:
$10.99
5-Slot Rail (MLok) Attachment
Our Price:
$12.99
AR15 Standard Barrel Nut
Our Price:
$14.99
7-Slot Rail (MLok) Attachment
Our Price:
$14.99
AR-15 Carbine Length Gas Tube (Black Nitride)
Our Price:
$14.99
AR-15 Pistol length gas tube
Our Price:
$14.99
AR15 Ejection Port Door Kit -Beskar Empire
Our Price:
$16.00
AR15 Ejection Port Door Kit -Mud Horn
Our Price:
$16.00
AR-15 Midlength Gas Tube (Black Nitrite)
Our Price:
$16.99
AR-15 Rifle Length Gas Tube
Our Price:
$16.99
AR-15 low Profile Gas block .625
Our Price:
$17.00
AR-15 low Profile Gas block .750
Our Price:
$17.00
MAGPUL M-LOK MOE MVG ODG
Our Price:
$21.81
AR-15 Upper Receiver Assembly Kit
Our Price:
$42.79
AR-15 Skeletonized Steel Low Profile Gas Block .750
Our Price:
$49.00
Troy 2" gas block
Our Price:
$58.99
7″ Mod Lite Skeletonized Series M-LOK Free Floating Handguard With Monolithic Top Rail (Anodized Black)
List Price: $99.95
Our Price:
$70.00
Savings: $29.95
GunTec 10″ Mod Lite Skeletonized Series M-LOK Free Floating Handguard With Monolithic Top Rail
List Price: $129.95
Our Price:
$78.00
Savings: $51.95
GunTec 12″ Mod Lite Skeletonized Series M-LOK Free Floating Handguard With Monolithic Top Rail (Anodized Black)
List Price: $139.95
Our Price:
$88.00
Savings: $51.95
12″ Air Lite M-LOK Free Floating Handguard With Monolithic Top Rail (Anodized Black)
List Price: $129.95
Our Price:
$93.18
Savings: $36.77
15″ Mod Lite Skeletonized Series M-LOK Free Floating Handguard With Monolithic Top Rail (Anodized Black)
List Price: $149.95
Our Price:
$98.00
Savings: $51.95
9″ Mod Lite Skeletonized Series M-LOK Free Floating Handguard With Monolithic Top Rail (Flat Dark Earth)
List Price: $129.95
Our Price:
$107.52
Savings: $22.43
AR-15 'Trump MAGA Series' Limited Edition 15in
List Price: $200.00
Our Price:
$185.99
Savings: $14.01
BCM® KMR *ALPHA* 15 (KeyMod™ Free Float Handguard)
List Price: $210.00
Our Price:
$199.95
Savings: $10.05