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HOME
TOOLS
AR-15 PARTS
LOWER RECEIVER PARTS
BUFFER PARTS
BUTTSTOCKS
CONTROLS
LOWER RECEIVERS
TRIGGERS
UPPER RECEIVER PARTS
BARRELS
BCG AND PARTS
CHARGING HANDLES
COMPLETE UPPER RECEIVERS
GAS BLOCKS
HANDGUARDS
MUZZLE DEVICES
UPPER RECEIVERS
P320 UPGRADES
P365 UPGRADES
RIFLES
AR-15 RIFLES
VIDEOS
AR-15 TOOLS INSTRUCTIONAL VIDEOS
INFORMATION
About Obsidian Arms
Obsidian Arms Shooters
Ashlynne Thomas
Buddy Brown
Chad Swartout
Christi Conner Tate
Kevin Harrington
Phillip Buys
My Account
Become a Dealer
Military & Law Enforcement
Blogs
Parts for AR-15 Upper Receivers
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24 Products
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48 Products
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72 Products
Out of stock
Sale!
16″ .223 Wylde SPR Fluted Stainless Steel Midlength AR 15 Barrel, Premium Series
$
230.00
$
218.50
Details
Sale!
16″ .223 Wylde SPR Stainless Steel Midlength AR 15 Barrel, Premium Black Series
$
190.00
$
180.50
Add to cart
Details
BARREL THREAD PROTECTOR
$
9.00
Select options
Details
Sale!
HIPERCOMP™ 556CQ
$
89.00
$
49.99
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Details
Sale!
OA-15C 16″ .350 Legend Complete Upper Receiver
$
875.00
$
665.00
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Details
Out of stock
OA-15C2 Lightweight Billet Upper Receiver
$
230.00
Details
OA-9C 16″ 9mm Complete Upper Receiver
$
700.00
Add to cart
Details
Out of stock
Obsidian Arms .625″ Low Profile Gas Block
$
35.00
Details
Out of stock
Obsidian Arms .750″ Low Profile Gas Block
$
30.00
Details
Obsidian Arms .875″ Low Profile Gas Block
$
40.00
Add to cart
Details
Obsidian Arms .936″ Low Profile Gas Block
$
40.00
Add to cart
Details
OBSIDIAN ARMS 3 GUN THUNDER BRAKE COMPENSATOR .223/5.56mm
$
55.00
Select options
Details
Out of stock
OBSIDIAN ARMS AR-15 CHARGING HANDLE
$
24.99
Details
OBSIDIAN ARMS CHECKMATE FLASH HIDER .223/5.56mm
$
45.00
Select options
Details
OBSIDIAN ARMS THUNDER BRAKE COMPENSATOR .308/30 CAL
$
55.00
Select options
Details
Out of stock
Sale!
JPBC-3
$
225.95
$
214.65
Details
Sale!
JPBC-3SP
$
225.95
$
214.65
Add to cart
Details
OA-15C Handguard 9.5 Inch
$
125.00
Add to cart
Details
OA-15C Handguard 15 Inch
$
165.00
Add to cart
Details
M16 Bolt Carrier Group, Phosphate, 5.56
$
160.00
Add to cart
Details
OA-15C Handguard 17 Inch
$
180.00
Add to cart
Details
Enhanced AR-15 Bolt Carrier Pin Kit
$
20.00
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Details
M-LOK QD Sling Mount
$
20.00
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Details
4.5 Inch M-LOK Handguard
$
135.00
Add to cart
Details
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