Upper Receiver
Find the exact complete or stripped AR-15 upper receiver for your next build. We stock forged and billet uppers, cold hammer-forged barrels, low-profile gas blocks, and advanced bolt carrier groups (BCGs) engineered for extreme reliability and sub-MOA accuracy.
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LMT Defense - Flat Top Upper Receiver - L7D1A
LMT Defense
$211.50The LMT Defense Flat Top Upper Receiver (L7D1A) is a mil-spec AR-15 flat top upper receiver machined from forged 7075-T6 aluminum with a Type III hard anodized finish. Featuring a standard flat top...$211.50 -
Knight's Armament - 9 Rib Rail Panel - 97169
Knights Armament Company
$27.99The Knight's Armament 9-Rib Rail Panel (KAC PN: 97169) is KAC's extended 9-rib polymer rail panel for covering unused slots on KAC RAS Picatinny quad-rail handguards. The 9-rib panel covers a larger...$27.99 -
Out of stockOn Sale
LMT Defense - 6.8 SPC / .224 Valkyrie Enhanced AR15 Bolt - L7Q3C
LMT Defense
Now: $263.35Was: $289.00This is a new Lewis Machine & Tool 6.8 Special and .224 Valkyrie AR15 bolt. It features the same durable construction as LMT’s 5.56 Enhanced Bolt with an emphasis on reliability with use of...Now: $263.35Was: $289.00 -
KAC Knights Armament Company URX 4, 5.56 M-LOK 14.5" Forend Kit 32304-1450
Knights Armament Company
$373.91The KAC Knight's Armament URX 4, 5.56mm M-LOK 14.5" Forend Kit (KAC PN: 32304-1450) is KAC's premier free-float M-LOK handguard for AR-15/M4/SR-15 pattern rifles. The URX 4 is fully modular,...$373.91 -
Out of stock
Thunder Beast - CB Series .30 Cal Non Timed Muzzle Brake 5/8x24 30CB-NTB 5/8-24
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .30 Caliber Non-Timed Muzzle Brake with 5/8x24 threads (30CB-NTB 5/8-24) is the non-timed version of the CB muzzle brake host adapter for .30 caliber rifles. Unlike...$125.00 -
Out of stock
TBAC Thunder Beast Arms Corp SR Series .338 Cal Non-Timed Muzzle Break #338SR-NTB
Thunder Beast Arms Corp
$145.00This is a new Thunder Beast Arms Corporation TBAC 338 SR Non-Timed Muzzle Brake. The SR mount's dual-locking system acts as a backup retention mechanism, preventing suppressor detachment under all...$145.00 -
FCD Forward Controls Design 6310XE 5/8x24 Flash Suppressor 6310XE
Forward Controls Design, Inc
$95.00The Forward Controls Design 6310XE Flash Suppressor / XENO Mount — 5/8x24 (6310XE) is FCD's 3-prong flash suppressor and XENO-compatible suppressor mount for .308/7.62x51mm and larger caliber rifles...$95.00 -
Magpul Industries M-LOK Aluminum 5 Slot Rail Section MAG581-BLK
Magpul Industries
$19.90The Magpul M-LOK Aluminum Rail Section — 5 Slot (MAG581-BLK) is Magpul's precision-machined aluminum Picatinny rail section for M-LOK compatible handguards, providing five (5) MIL-STD-1913 Picatinny...$19.90 -
Out of stock
Colt 11.5" Upper FSP w/ Daniel Defense Omega 2.0 Rail, Bootleg Inc BCG - (Police Trade-In)
Colt
$650.00Features: Make: Colt Model: 6933 Caliber: 5.56x45mm Barrel Length: 11.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: This Colt Uppers include a complete BCG made by Bootleg Inc which is the...$650.00 -
Out of stock
Colt 11.5" Upper FSP w/ Daniel Defense Omega 2.0 Rail - (Police Trade-In)
Colt
$650.00Features: Make: Colt Model: 6933 Caliber: 5.56x45mm Barrel Length: 11.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: All uppers include a factory Colt complete BCG with a C marked bolt...$650.00 -
Out of stock
Colt LE6946CK 10.5" Complete Upper - Police Trade-In
Colt
$850.00Features: Make: Colt Model: LE6946CK Caliber: 5.56x45mm Barrel Length: 10.5" Condition: Pre-Owned (Police Trade-In). Disclaimer: All uppers include a factory Colt complete BCG with a C marked bolt...$850.00 -
LMT Defense - MRP-L MLOK 12.5" Specwar Complete Upper Receiver Bundle - #BFCLMTSPEC
LMT Defense
MSRP: $1,989.00$1,799.99LMT Defense - MRP-L MLOK 11.5" Specwar - AR15 Upper Receiver - #L7Z1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece...MSRP: $1,989.00$1,799.99