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 - Ambidextrous AR15 5.56 Charging Handle - R-LMP103TA
LMT Defense
MSRP: $108.00$100.35The LMT Defense Ambidextrous 5.56 Charging Handle (R-LMP103TA) features enhanced tactical latches on both sides for true ambidextrous operation. Dead-stop latches reduce tension on latch pins,...MSRP: $108.00$100.35 -
Out of stock
VLTOR MUR-1A Modular Upper Receiver-KG Gun-Kote MUR-1A-KG-B
Vltor Weapon Systems
$242.96The VLTOR MUR-1A Modular Upper Receiver with KG Gun-Kote finish (MUR-1A-KG-B) provides the precision 7075 T6 aluminum MUR-1A upper receiver with a premium Cerakote/KG Gun-Kote finish for enhanced...$242.96 -
Out of stock
LMT Defense MRP-L MLOK 10.5" Complete Upper Receiver Bundle LMTMLOKS10.5AS
LMT Defense
$1,625.00The LMT Defense MRP-L M-LOK 10.5" AR-15 Complete Upper Receiver Bundle (LMTMLOKS10.5AS) is a factory-complete LMT upper receiver assembly for AR-15/SBR builds, combining LMT's 9.25" M-LOK monolithic...$1,625.00 -
Out of stock
LMT Defense MRP-L Quad Rail 10.5" Complete Upper Receiver Bundle #LMTQuadS10.5AS
LMT Defense
$1,625.00LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - #L7S1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of...$1,625.00 -
LMT Defense MRP-L Quad Rail 13.25" AR15 Complete Upper Receiver LMTQuadL16AS
LMT Defense
$1,700.00*Discounts do not apply* The LMT Defense MRP-L Quad Rail 13.25" AR-15 Complete Upper Receiver (LMTQuadL16AS) is a factory-complete LMT upper receiver assembly — including the 13.25" quad rail...$1,700.00 -
Out of stock
LMT Defense MRP-L MLOK 16" Complete Upper Receiver Bundle #LMTMLOKL16AS
LMT Defense
$1,700.00MRP-L MLOK 13.25" AR15 Upper Receiver - #L7Y1A The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of aerospace grade...$1,700.00 -
VLTOR MUR-1A Modular Upper Receiver w/ Bolt Assist Tan MUR-1A-T
Vltor Weapon Systems
$242.96The VLTOR MUR-1A Modular Upper Receiver in Tan (MUR-1A-T) provides the same precision 7075 T6 aluminum construction of the black MUR-1A in a Tan (FDE/Coyote-compatible) finish for coordinated FDE or...$242.96 -
Out of stock
KAC Knights Armament Company - URX6 Tool Kit for SR-25/SR-15 #122659
Knights Armament Company
$702.24The tool kit includes 5.56/762 URX6 Handguard Wrench, 5.56 URX6 barrel nut removal wrench, 7.62 URX6 barrel nut removal wrench, KAC knightstick, gas block puller, buttstock wrench, gas block wrench,...$702.24 -
LMT Defense MRP-L MLOK 7.25" Upper Receiver & 300BLK Barrel 8.25" Bundle L7NX1A-L7BX1B
LMT Defense
$1,444.50*Discounts do not apply* The LMT Defense MRP-L M-LOK 7.25" Upper Receiver & .300 Blackout 8.25" Barrel Bundle (L7NX1A-L7BX1B) is the ultimate ultra-compact .300 BLK package — combining LMT's most...$1,444.50 -
LMT Defense MRP-L M-LOK 9.25" "Grenadier" Upper Receiver L7SXG1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 9.25" "Grenadier" Upper Receiver (L7SXG1A) is LMT's newest 2026 MRP-L upper receiver, purpose-designed for under-barrel launcher integration and versatile accessory...$940.50 -
LMT Defense MRP-L M-LOK 9.25" "Hybrid" Upper Receiver L7SX1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 9.25" "Hybrid" Upper Receiver (L7SX1A) is LMT's newest 2026 addition to their Monolithic Rail Platform lineup — a versatile carbine-length upper designed for both piston...$940.50 -
Ruger 10/22 Stripped Aluminum Receiver VCSCU-0130
Ruger
$65.00This is a new Ruger factor stripped aluminum receiver compatible with 10/22 pattern firearms. Black Stripped Made in the USA Note: These are stripped receivers so they will not come with any...$65.00