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THE GOLD STANDARD
OF AR UPGRADES!

Shop Geissele Uppers,Triggers, and Upgrades!
On Sale Now!
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Brownells Exclusive
DANIEL DEFENSE
MK18 & M4A1
STRIPPED UPPERS
JUST $694.99 THIS LABOR DAY
Featuring RIS II & RIS III rails, cold hammer forged barrels & legendary Daniel Defense quality.
Explore The Uppers

Rifle Parts

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Rifle Parts - 2,551 Products / 323 Models

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Product badge KNIGHT'S ARMAMENT - SR-25 PRECISION RIFLE COMPLETE UPPER RECEIVER 6.5 CREEDMOOR M-LO KNIGHT'S ARMAMENT - SR-25 PRECISION RIFLE COMPLETE UPPER RECEIVER 6.5 CREEDMOOR M-LO
5 Stars
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$4,299.99

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Product badge DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.8)

$694.99

$899.99

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LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER
5 Stars
(4.9)

$269.99

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Product badge DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER
5 Stars
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$694.99 - $799.99

$899.99 - $949.99

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BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22® BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22®
5 Stars
(4.2)

$102.65 - $149.99

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MAGPUL - MBUS® 3 FLIP-UP REAR SIGHT FOR AR-15 MAGPUL - MBUS® 3 FLIP-UP REAR SIGHT FOR AR-15
5 Stars
(5.0)

$56.95

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Product badge GEISSELE AUTOMATICS LLC - SSA-E X 2-STAGE TRIGGER WITH LIGHTNING BOW® FOR AR-15 GEISSELE AUTOMATICS LLC - SSA-E X 2-STAGE TRIGGER WITH LIGHTNING BOW® FOR AR-15
5 Stars
(4.5)

$287.99

$335.00

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BROWNELLS - AR-15 1/2" CRUSH WASHER BROWNELLS - AR-15 1/2" CRUSH WASHER
5 Stars
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$1.99

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RADIAN WEAPONS - AR-15 RAPTOR-SD CHARGING HANDLE 5.56 RADIAN WEAPONS - AR-15 RAPTOR-SD CHARGING HANDLE 5.56
5 Stars
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$134.95 - $139.95

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BROWNELLS - BARREL NUT SHIM KIT BROWNELLS - BARREL NUT SHIM KIT
5 Stars
(4.7)

$2.58

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BROWNELLS - BRN-22® BOLT ASSEMBLY BROWNELLS - BRN-22® BOLT ASSEMBLY
5 Stars
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$99.10 - $139.99

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MAGPUL - MBUS® 3 FLIP-UP FRONT SIGHT FOR AR-15 MAGPUL - MBUS® 3 FLIP-UP FRONT SIGHT FOR AR-15
5 Stars
(2.7)

$37.95

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Products:  1  –  32  of 3931

Our range of rifle parts (2,551) and AR15 Parts provides everything you need to maintain, repair, or customize your rifle for any purpose.  View all our Gun Parts.