Ammo Flash Sale! Take 10% Off w/ Code: FLASH - SHOP NOW

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MASSIVE YEAR END SAVINGS

Save Up To 65% On Guns, Parts & More!
Shop The Winter Clearance Sale!
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DANIEL DEFENSE MK18
& M4A1 STRIPPED UPPERS

Available ONLY From Brownells
Start Your Clone!
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NEW UPPERS FROM
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Feature Packed Exclusive Uppers Including
Down Vent BCG, Chrome Lining & MORE

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Rifle Receivers & Parts

853 Items

Rifle Receivers & Parts Up To 85% Off - 853 Products In Stock / 135 Models

Browse 853 Rifle Receivers & Parts from our Rifle Parts dept including Upper Receivers, Lower Receivers, Bolt Catch Parts, Rifle Barreled Actions, & Rifle Bottom Metals Up To 85% Off from TOP Brands including AERO PRECISION, BROWNELLS, HOWA, & COLT.

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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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MEAN ARMS - BEARING DELAY 9MM LUGER COMPLETE UPPER RECEIVER MEAN ARMS - BEARING DELAY 9MM LUGER COMPLETE UPPER RECEIVER
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$1,399.99 - $1,499.99

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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
5 Stars
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$1,214.00

In stock
KELBLY'S INC. - ATLAS TACTICAL ACTION KELBLY'S INC. - ATLAS TACTICAL ACTION
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$1,059.00 - $1,135.99

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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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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 - SAGE DYNAMICS 5.56X45 COMPLETE UPPER RECEIVER ASSEMBLY FOR AR15 SONS OF LIBERTY GUN WORKS - SAGE DYNAMICS 5.56X45 COMPLETE UPPER RECEIVER ASSEMBLY FOR AR15
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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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$1,099.99

In stock
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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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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CHRISTENSEN ARMS - RIDGELINE 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA CHRISTENSEN ARMS - RIDGELINE 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA
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$949.99

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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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Product badge FAXON FIREARMS - FX7 BOLT ACTION RECEIVER FOR REMINGTON® 700 FAXON FIREARMS - FX7 BOLT ACTION RECEIVER FOR REMINGTON® 700
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$722.99 - $803.99

$827.08 - $919.08

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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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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 FOR REMINGTON® 700 LA CHRISTENSEN ARMS - MESA 300 PRC BARRELED ACTION FOR REMINGTON® 700 LA
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$779.99

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CHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA CHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA
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$749.99

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

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Product badge 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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$549.99 - $749.99

$599.99

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BERGARA - B-14R 22LR "TRAINER" BBL ACTION - LEFT HANDED BERGARA - B-14R 22LR "TRAINER" BBL ACTION - LEFT HANDED
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$699.99

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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
5 Stars
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$579.99 - $689.99

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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 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
5 Stars
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$454.99 - $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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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
5 Stars
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$579.95

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PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE RIFLE LOWER RECEIVER PRIMARY WEAPONS - MK1 MOD 2-M COMPLETE RIFLE LOWER RECEIVER
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Products:   –   of 853