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DANIEL DEFENSE MK18
& M4A1 STRIPPED UPPERS

Available ONLY From Brownells
Start Your Clone!
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NEW UPPERS FROM
KAK INDUSTRIES

Feature Packed Exclusive Uppers Including
Down Vent BCG, Chrome Lining & MORE

Discover Now

Rifle Receivers & Parts

857 Items

Rifle Receivers & Parts Up To 85% Off - 525 Products In Stock / 87 Models

Browse 525 Rifle Receivers & Parts from our Rifle Parts dept including Upper Receivers, Lower Receivers, Rifle Barreled Actions, Bolt Catch Parts, & Rifle Bottom Metals Up To 85% Off from TOP Brands including AERO PRECISION, BROWNELLS, HOWA, & CHRISTENSEN ARMS.

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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 DEFIANCE MACHINE - REM 700 TENACITY SHORT ACTIONS RIGHT HAND DEFIANCE MACHINE - REM 700 TENACITY SHORT ACTIONS RIGHT HAND
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$1,249.00 - $1,699.99

$1,699.99

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DEFIANCE MACHINE - REM 700 ANTI LONG ACTIONS RIGHT HAND DEFIANCE MACHINE - REM 700 ANTI LONG ACTIONS RIGHT HAND
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$1,277.99 - $1,699.99

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DEFIANCE MACHINE - REM 700 ANTI SHORT ACTIONS RIGHT HAND DEFIANCE MACHINE - REM 700 ANTI SHORT ACTIONS RIGHT HAND
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$1,326.99 - $1,699.99

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DEFIANCE MACHINE - DEVIANT TACTICAL SHORT ACTION RECEIVER DEFIANCE MACHINE - DEVIANT TACTICAL SHORT ACTION RECEIVER
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$1,595.00

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ZERMATT ARMS - TL3 SHORT ACTION RECEIVER ZERMATT ARMS - TL3 SHORT ACTION RECEIVER
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$1,300.00

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DANIEL DEFENSE - DDM4V7 16" 5.56MM NATO UPPER RECEIVER BLACK DANIEL DEFENSE - DDM4V7 16" 5.56MM NATO UPPER RECEIVER BLACK
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$1,214.00

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DANIEL DEFENSE - DDM4V7 LW 16" 5.56MM NATO LIGHTWEIGHT UPPER RECEIVER BLACK DANIEL DEFENSE - DDM4V7 LW 16" 5.56MM NATO LIGHTWEIGHT UPPER RECEIVER BLACK
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$1,214.00

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BROWNELLS BUNDLES - BRN-180S 300BLK UPPER WITH VORTEX SPARC SOLAR RED DOT BROWNELLS BUNDLES - BRN-180S 300BLK UPPER WITH VORTEX SPARC SOLAR RED DOT
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$1,199.00

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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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$773.99 - $1,120.00

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AERO PRECISION - SOLUS .308 WINCHESTER SA BARRELED RECEIVER FOR REMINGTON 700® AERO PRECISION - SOLUS .308 WINCHESTER SA BARRELED RECEIVER FOR REMINGTON 700®
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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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BROWNELLS BUNDLES - BRN-180 GEN 2 COMPLETE UPPER RECEIVER WITH MI SIDE FOLDING STOCK BROWNELLS BUNDLES - BRN-180 GEN 2 COMPLETE UPPER RECEIVER WITH MI SIDE FOLDING STOCK
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$974.99 - $1,099.00

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AERO PRECISION - SOLUS 6MM CREEDMOOR SA BARRELED RECEIVER FOR REMINGTON 700® AERO PRECISION - SOLUS 6MM CREEDMOOR SA BARRELED RECEIVER FOR REMINGTON 700®
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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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KELBLY'S INC. - ATLAS LITE ACTION KELBLY'S INC. - ATLAS LITE ACTION
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$999.99

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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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BROWNELLS - BRN-180S UPPER RECEIVERS WITH PIN & WELD FLASH HIDER BROWNELLS - BRN-180S UPPER RECEIVERS WITH PIN & WELD FLASH HIDER
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$949.99

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DEFIANCE MACHINE - CLASSIC SHORT ACTIONS DEFIANCE MACHINE - CLASSIC SHORT ACTIONS
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$934.99 - $949.00

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FAXON FIREARMS - FX7 BOLT ACTION RECEIVER FAXON FIREARMS - FX7 BOLT ACTION RECEIVER
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$827.08 - $919.08

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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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ZERMATT ARMS - ORIGIN SHORT ACTION RECEIVER ZERMATT ARMS - ORIGIN SHORT ACTION RECEIVER
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$875.00

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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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$863.99

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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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BROWNELLS - BRN16A1® 20" COMPLETE UPPER RECEIVERS BROWNELLS - BRN16A1® 20" COMPLETE UPPER RECEIVERS
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$824.99

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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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BROWNELLS - XM177E2 COMPLETE UPPER RECEIVERS BROWNELLS - XM177E2 COMPLETE UPPER RECEIVERS
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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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CHRISTENSEN ARMS - MESA 300 PRC BARRELED ACTION CHRISTENSEN ARMS - MESA 300 PRC BARRELED ACTION
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$779.99

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CHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION CHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION
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HOWA - M1500 CARBON FIBER WRAPPED BARRELED RECEIVER .308 THREADED HOWA - M1500 CARBON FIBER WRAPPED BARRELED RECEIVER .308 THREADED
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$749.99

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Products:   –   of 857