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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Rifle Parts

2,818 Items

Browse Rifle Barrels, Stocks, Triggers, Bolt Carriers & More - 2,818 Products / 362 Models

Our range of rifle parts (2,818) 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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Products:   –   of 1997
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Product badge 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 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 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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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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Product badge 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 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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$579.99 - $689.99

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Product badge A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE® RIFLE UPPER RECEIVER A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR FOXTROT MIKE® RIFLE UPPER RECEIVER
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$664.95

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Product badge A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR BRN-180 RIFLE UPPER RECEIVER A3 TACTICAL - TRIAD BULLPUP CHASSIS FOR BRN-180 RIFLE UPPER RECEIVER
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Product badge GEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR GEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR
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$634.99

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Product badge KAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER KAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER
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$599.99

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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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$454.99 - $599.99

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Product badge 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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Product badge 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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Product badge 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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Product badge 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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Product badge 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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Product badge 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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Product badge BSF BARRELS - AR-15 BARREL CARBON FIBER 223 WYLDE 1-8 TWIST BSF BARRELS - AR-15 BARREL CARBON FIBER 223 WYLDE 1-8 TWIST
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$546.75

$569.99 - $597.55

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Product badge BSF BARRELS - AR-15 BARREL CARBON FIBER 6.5 GRENDEL RIFLE GAS SYSTEM 1-8 TWIST BSF BARRELS - AR-15 BARREL CARBON FIBER 6.5 GRENDEL RIFLE GAS SYSTEM 1-8 TWIST
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$546.75

$569.99

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Product badge 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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Product badge 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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Product badge AERO PRECISION - EPC-9 9MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - EPC-9 9MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
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$444.99 - $529.99

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Product badge 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 FAXON FIREARMS - BANTAM 9MM LUGER COMPLETE UPPER RECEIVERS FOR AR-15 FAXON FIREARMS - BANTAM 9MM LUGER COMPLETE UPPER RECEIVERS FOR AR-15
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$492.20 - $506.60

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Product badge DANIEL DEFENSE - AR-15 RAIL INTERFACE SYSTEM II DANIEL DEFENSE - AR-15 RAIL INTERFACE SYSTEM II
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Product badge 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
5 Stars
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$493.83

$544.45

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Product badge DANIEL DEFENSE - AR-15/M16 DDM4 HANDGUARDS DANIEL DEFENSE - AR-15/M16 DDM4 HANDGUARDS
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$427.00 - $462.00

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Product badge 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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$435.08 - $440.65

$470.45 - $486.45

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Product badge AERO PRECISION - EPC-9 COMPLETE LOWER W/MAGPUL MOE GRIP & SL-S STOCK AERO PRECISION - EPC-9 COMPLETE LOWER W/MAGPUL MOE GRIP & SL-S STOCK
5 Stars
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$434.99

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Product badge CMMG - MKG GUARD BARREL & BCG KIT 16" 9MM CMMG - MKG GUARD BARREL & BCG KIT 16" 9MM
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$429.25

$450.99

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Product badge AERO PRECISION - EPC-9 COMPLETE LOWER W/MAGPUL MOE GRIP & SL STOCK AERO PRECISION - EPC-9 COMPLETE LOWER W/MAGPUL MOE GRIP & SL STOCK
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$419.99

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Product badge 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 1997