Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

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3989-Exclusive-KSPEC-Complete-Uppers-CP-Hero-746x450

NEW UPPERS FROM
KAK INDUSTRIES

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

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MASSIVE SAVINGS!

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DANIEL DEFENSE MK18
& M4A1 STRIPPED UPPERS

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Use Code: BUILDBETTER for 15% Off!
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero Mobile(1)

THE WAIT IS OVER

Meet The BRN-180® Gen 3 Uppers
Introduce Me!
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PWS MK1 MOD 2-M
STRIPPED LOWER

Intuitive & Fully Ambidextrous
All For $279.95!
Start Your Build!
3989-Exclusive-KSPEC-Complete-Uppers-CP-Hero-1920x385
3989-Exclusive-KSPEC-Complete-Uppers-CP-Hero-746x450

NEW UPPERS FROM
KAK INDUSTRIES

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

Discover Now
4561 Site Banners - Winter Clearance_Category HeroV2
4561 Site Banners - Winter Clearance_Category Hero Mobile No Badge_V2

MASSIVE SAVINGS!

We've Taken An Additional 25% Off Already Low Prices
Shop The Winter Clearance Sale!

Rifle Parts

2,813 Items

Browse Rifle Barrels, Stocks, Triggers, Bolt Carriers & More - 2,813 Products / 362 Models

Our range of rifle parts (2,813) provides everything you need to maintain, repair, or customize your rifle for any purpose.

We have rifle barrels for precision shooting, stocks for added stability, triggers to enhance control, and bolt carriers for reliable cycling. With options tailored for various rifle platforms, you’ll find the right components to improve rifle's performance.

Shop trusted brands like BROWNELLS, AERO PRECISION, CMMG, and COLT and take advantage of savings Up To 85% Off on rifle parts built for quality and reliability. View all our Gun Parts.

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BRN-180® Gen2

 

 

 

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Product badgePRECISION 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
5 Stars
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$1,757.00 - $1,777.00

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Product badgeDEFIANCE MACHINE - REM 700 TENACITY SHORT ACTIONS RIGHT HAND DEFIANCE MACHINE - REM 700 TENACITY SHORT ACTIONS RIGHT HAND
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$936.75 - $1,699.99

$1,699.99

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Product badgeMDT - ACC ELITE CHASSIS SYSTEM MDT - ACC ELITE CHASSIS SYSTEM
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$1,519.99 - $1,599.95

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Product badgeGEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER
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Product badgePROOF RESEARCH, INC - ACCURACY INTERNATIONAL PRE-FIT CARBON FIBER BARRELS PROOF RESEARCH, INC - ACCURACY INTERNATIONAL PRE-FIT CARBON FIBER BARRELS
5 Stars
(5.0)

$1,299.00

Online Only - Special Order. Please allow 4-5 weeks additional processing time.
Product badgeGEISSELE 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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Product badgeBROWNELLS BUNDLES - BRN-180S 300BLK UPPER WITH VORTEX SPARC SOLAR RED DOT BROWNELLS BUNDLES - BRN-180S 300BLK UPPER WITH VORTEX SPARC SOLAR RED DOT
5 Stars
(5.0)

$1,099.99

In stock
Product badgePROOF RESEARCH, INC - ZERMATT ARMS PRE-FIT CARBON FIBER 7 PRC RIFLE BARRELS PROOF RESEARCH, INC - ZERMATT ARMS PRE-FIT CARBON FIBER 7 PRC RIFLE BARRELS
5 Stars
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$939.00 - $999.00

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Product badgePROOF RESEARCH, INC - ZERMATT ARMS PRE-FIT CARBON FIBER 6.5 CREEDMOOR RIFLE BARREL PROOF RESEARCH, INC - ZERMATT ARMS PRE-FIT CARBON FIBER 6.5 CREEDMOOR RIFLE BARREL
5 Stars
(5.0)

$999.00

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Product badgePROOF RESEARCH, INC - RUGER RECISION CARBON FIBER BARRELS PROOF RESEARCH, INC - RUGER RECISION CARBON FIBER BARRELS
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$949.00 - $999.00

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Product badgePROOF RESEARCH, INC - ZERMATT TL3/SR3 SHOULDERED PREFIT CARBON FIBER BARRELS PROOF RESEARCH, INC - ZERMATT TL3/SR3 SHOULDERED PREFIT CARBON FIBER BARRELS
5 Stars
(5.0)

$999.00

In stock
Product badgePROOF RESEARCH, INC - DEFIANCE RUCKUS SHOULDERED PREFIT CARBON FIBER BARRELS PROOF RESEARCH, INC - DEFIANCE RUCKUS SHOULDERED PREFIT CARBON FIBER BARRELS
5 Stars
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$999.00

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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
5 Stars
(5.0)

$974.99

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Product badgeCHRISTENSEN ARMS - RIDGELINE 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA CHRISTENSEN ARMS - RIDGELINE 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA
5 Stars
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$949.99

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Product badgeDANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(5.0)

$899.99

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Product badgePROOF RESEARCH, INC - BOLT ACTION CARBON FIBER BARRELS PROOF RESEARCH, INC - BOLT ACTION CARBON FIBER BARRELS
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$899.00

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Product badgeAERO 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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Product badgeMAGPUL - PRO 700L FIXED STOCKS FOR REMINGTON® 700 LA MAGPUL - PRO 700L FIXED STOCKS FOR REMINGTON® 700 LA
5 Stars
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$495.50 - $849.99

$729.99 - $849.99

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Product badgeAERO 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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Product badgeCHRISTENSEN ARMS - MESA 300 PRC BARRELED ACTION FOR REMINGTON® 700 LA CHRISTENSEN ARMS - MESA 300 PRC BARRELED ACTION FOR REMINGTON® 700 LA
5 Stars
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$779.99

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Product badgeCHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA CHRISTENSEN ARMS - MESA 6.5 CREEDMOOR BARRELED ACTION FOR REMINGTON® 700 SA
5 Stars
(5.0)

$749.99

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Product badgeHOWA - M1500 CARBON FIBER WRAPPED BARRELED RECEIVER .308 THREADED HOWA - M1500 CARBON FIBER WRAPPED BARRELED RECEIVER .308 THREADED
5 Stars
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$749.99

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Product badgeCOLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS
5 Stars
(5.0)

$749.99

In stock
Product badgeSNOWY MOUNTAIN RIFLE COMPANY - DEFIANCE RUCKUS PRE-FIT BARTLEIN 6 DASHER STEEL BARREL SNOWY MOUNTAIN RIFLE COMPANY - DEFIANCE RUCKUS PRE-FIT BARTLEIN 6 DASHER STEEL BARREL
5 Stars
(5.0)

$449.25 - $749.00

$749.00

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Product badgeHOWA - M1500 MINI 6.5 GRENDEL CARBON FIBER BARRELED ACTION HOWA - M1500 MINI 6.5 GRENDEL CARBON FIBER BARRELED ACTION
5 Stars
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$719.99

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Product badgeAERO 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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Product badgeA3 TACTICAL - TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE® RIFLE UPPER RECEIVER A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE® RIFLE UPPER RECEIVER
5 Stars
(5.0)

$664.95

In stock
Product badgeA3 TACTICAL - TRIAD BULLPUP CHASSIS FOR BRN-180 RIFLE UPPER RECEIVER A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR BRN-180 RIFLE UPPER RECEIVER
5 Stars
(5.0)

$664.95

In stock
Product badgeGEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR GEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR
5 Stars
(5.0)

$634.99

Online Only - In stock
Product badgeKINETIC RESEARCH GROUP - REMINGTON 700 GEN 4 X-RAY CHASSIS KINETIC RESEARCH GROUP - REMINGTON 700 GEN 4 X-RAY CHASSIS
5 Stars
(5.0)

$346.40 - $603.99

$603.99

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Product badgeKAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER KAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER
5 Stars
(5.0)

$599.99

In stock
Product badgeLAW TACTICAL LLC - AR-15 ARIC INTERNAL CARRIERS W/LAW FOLDER LAW TACTICAL LLC - AR-15 ARIC INTERNAL CARRIERS W/LAW FOLDER
5 Stars
(5.0)

$599.99

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