Upper Receivers
Build your AR-15, AR-10, or precision long-range rifle exactly how you want it. Shop our high-quality stripped and complete upper receivers.
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LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - L7S1A
LMT Defense
$890.10The LMT Defense MRP-L Quad Rail (Picatinny) 9.25" AR15 Upper Receiver (L7S1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single...$890.10 -
LMT Defense - MRP-L MLOK 13.25" AR15 Upper Receiver - L7Y1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 13.25" AR15 Upper Receiver (L7Y1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...$940.50 -
LMT Defense - MRP-L MLOK 11.5" Specwar - AR15 Upper Receiver - L7Z1A
LMT Defense
$940.50The LMT Defense MRP-L M-LOK 11.5" AR15 Upper Receiver (L7Z1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...$940.50 -
Out of stock
Knights Armament Company 7.62MM SR-25A2 20" Upper Receiver Kit 121471
Knights Armament Company
$3,283.20The Knights Armament SR-25A2 20" Upper Receiver Kit brings genuine military heritage to the civilian AR-10 platform. As the commercial counterpart to the M110A2 — the U.S. military's semi-automatic...$3,283.20 -
KAC Knights Armament Company SR-25 A3 6.5 CM 22" Upper Receiver 100223
Knights Armament Company
$3,283.20The KAC SR-25 A3 complete upper receiver is chambered in 6.5 Creedmoor and built for precision long-range shooting on the SR-25/AR-10 platform. It arrives complete and drop-in ready for compatible...$3,283.20 -
Out of stock
KAC Knights Armament Company SR-15 KS2 14.5" 5.56 NATO Upper 121436
Knights Armament Company
$1,800.00This is a new Knights Armament Company SR-15 KS2 14.5” complete upper receiver kit chambered in 5.56 NATO. This upper receiver features a 14.5” cold hammer forged, chrome lined, 1:7” rate of twist,...$1,800.00 -
Out of stock
KAC Knights Armament Company SR-25 KS7 14.5" 6.5 Creedmoor Upper 116741
Knights Armament Company
$3,312.00This is a new Knights Armament Company SR-25 KS7 14.5” complete upper receiver kit chambered in 6.5 Creedmoor. This upper receiver features a 14.5” cold hammer forged, dimpled hybrid barrel, medium...$3,312.00 -
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 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 14.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 12.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-12-5-CHF-556s
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25 -
Out of stock
SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 11.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556
Sons of Liberty Gunworks
MSRP: $575.00$546.25The East India Starter Kit is meant as a building block for any build you wish to do. It is built with Hidden high quality components. At Sons of Liberty Gun Works they always tell their customers,...MSRP: $575.00$546.25