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Upper Receivers 236 Items

Upper Receivers Up To 37% Off + Coupon — 140 Products In Stock / 20 Models

Browse 140 Upper Receivers from our Rifle Receivers & Parts dept including Up To 37% Off from TOP Brands including AERO PRECISION, BROWNELLS, BROWNELLS BUNDLES, & PRIMARY WEAPONS.

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PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER
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$1,757.00 - $1,777.00

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Product badge GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM
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$849.99 - $1,120.00

$970.00 - $1,120.00

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Product badge SONS OF LIBERTY GUN WORKS - AR-15 SAGE DYNAMICS UPPER RECEIVER ASSEMBLY 5.56 SONS OF LIBERTY GUN WORKS - AR-15 SAGE DYNAMICS UPPER RECEIVER ASSEMBLY 5.56
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PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
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$1,029.49

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COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS
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$729.99 - $999.99

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Product badge DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
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$899.99

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BROWNELLS - BRN-180 350 LEGEND 16IN COMPLETE UPPER RECEIVER ASSEMBLY BROWNELLS - BRN-180 350 LEGEND 16IN COMPLETE UPPER RECEIVER ASSEMBLY
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$899.99

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BROWNELLS - BRN-180™ GEN 2 7.62x39 16IN COMPLETE UPPER RECEIVER ASSEMBLY BROWNELLS - BRN-180™ GEN 2 7.62x39 16IN COMPLETE UPPER RECEIVER ASSEMBLY
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$899.99

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AERO PRECISION - M5E1 6.5 CREEDMORE ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD AERO PRECISION - M5E1 6.5 CREEDMORE ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD
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$759.99 - $859.99

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AERO PRECISION - M5E1 308 WINCHESTER ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD AERO PRECISION - M5E1 308 WINCHESTER ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD
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$789.99 - $829.99

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SHARPS BROS - AR-15/M4 5.56MM COMPLETE UPPER SHARPS BROS - AR-15/M4 5.56MM COMPLETE UPPER
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$799.99

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COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS
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$749.99

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FOXTROT MIKE PRODUCTS - AR-15 MIKE-15 GEN 2 UPPER RECEIVER ASSEMBLY 223 WYLDE FOXTROT MIKE PRODUCTS - AR-15 MIKE-15 GEN 2 UPPER RECEIVER ASSEMBLY 223 WYLDE
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$599.99 - $749.99

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AERO PRECISION - M4E1 6.5 GRENDEL ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE AERO PRECISION - M4E1 6.5 GRENDEL ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE
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$509.49 - $689.99

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Product badge GEMTECH - GVAC 5.56 UPPER RECEIVER WITH BOLT CARRIER GROUP GEMTECH - GVAC 5.56 UPPER RECEIVER WITH BOLT CARRIER GROUP
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$629.99

$839.00

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MIDWEST INDUSTRIES, INC. - AR-15 LIGHTWEIGHT UPPER RECEIVER W/ COMBAT RAIL HANDGUARDS MIDWEST INDUSTRIES, INC. - AR-15 LIGHTWEIGHT UPPER RECEIVER W/ COMBAT RAIL HANDGUARDS
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$609.95 - $614.95

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STAG ARMS - STAG 15 5.56 16IN TACTICAL NITRIDE UPPER RECEIVERS STAG ARMS - STAG 15 5.56 16IN TACTICAL NITRIDE UPPER RECEIVERS
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$529.99 - $599.99

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AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER RIFLE LENGTH W/G2 HANDGUARD AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER RIFLE LENGTH W/G2 HANDGUARD
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$599.99

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AERO PRECISION - M4E1 300BLK ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - M4E1 300BLK ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
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$534.99 - $594.99

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MIDWEST INDUSTRIES, INC. - AR-15 10.5" CARBINE UPPER RECEIVER 1-7 M-LOK BLK 5.56MM MIDWEST INDUSTRIES, INC. - AR-15 10.5" CARBINE UPPER RECEIVER 1-7 M-LOK BLK 5.56MM
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$579.95

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AERO PRECISION - M4E1 .300BLK ASSEMBLED UPPER RECEIVER W/ATLAS S-ONE HANDGUARD AERO PRECISION - M4E1 .300BLK ASSEMBLED UPPER RECEIVER W/ATLAS S-ONE HANDGUARD
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$494.99 - $554.99

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AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD & FSB AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD & FSB
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$554.99

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AERO PRECISION - M4E1 .300 AAC ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD AR-15 AERO PRECISION - M4E1 .300 AAC ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD AR-15
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AERO PRECISION - M4E1 223 WYLDE ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD AR15 AERO PRECISION - M4E1 223 WYLDE ASSEMBLED UPPER RECEIVER W/GEN-2 HANDGUARD AR15
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$524.99 - $544.99

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STERN DEFENSE, LLC - AR-15 SD MOD 4 9MM UPPER RECEIVER M-LOK COMPLETE STERN DEFENSE, LLC - AR-15 SD MOD 4 9MM UPPER RECEIVER M-LOK COMPLETE
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$544.45

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FAXON FIREARMS - AR-15 COMPLETE UPPER RECEIVERS 9MM FAXON FIREARMS - AR-15 COMPLETE UPPER RECEIVERS 9MM
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$492.20 - $506.60

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AERO PRECISION - 5.56X45 NATO ASSEMBLED UPPER RECEIVER W/BARREL FOR AR-15 AERO PRECISION - 5.56X45 NATO ASSEMBLED UPPER RECEIVER W/BARREL FOR AR-15
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$394.99 - $503.99

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AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER W/M-LOK ATLAS S-ONE HANDGUARD AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER W/M-LOK ATLAS S-ONE HANDGUARD
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Product badge AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
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STERN DEFENSE, LLC - AR-15 SD MOD 5 9MM UPPER RECEIVERS M-LOK COMPLETE STERN DEFENSE, LLC - AR-15 SD MOD 5 9MM UPPER RECEIVERS M-LOK COMPLETE
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$470.45 - $486.45

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STERN DEFENSE, LLC - AR-15 SD MOD 4 9MM UPPER RECEIVER 4IN M-LOK COMPLETE STERN DEFENSE, LLC - AR-15 SD MOD 4 9MM UPPER RECEIVER 4IN M-LOK COMPLETE
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$419.27

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AERO PRECISION - 5.56X45MM NATO ASSEMBLED UPPER W/BARREL & PINNED FSB FOR AR-15 AERO PRECISION - 5.56X45MM NATO ASSEMBLED UPPER W/BARREL & PINNED FSB FOR AR-15
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$389.99 - $414.99

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Products: – of 236