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Rainier Arms

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Centurion Arms

Centurion Arms

Firearms, parts, accessories.

Centurion Arms is dedicated to producing firearms, parts and accessories with an outstanding level of quality, functionality and precision.

Centurion Arms AR-15 C4 Rail System

$265.05 - $295.50

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Centurion Arms MK12 5.56 NATO AR-15 Rifle - 18"
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4.8 star rating 30368 Reviews

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Verified Reviewer

0.0 star rating

04/02/25

Review by Anonymous User

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04/02/25

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Ethan B.
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5.0 star rating

04/02/25

WORTH IT

Review by Ethan B. on 2 Apr 2025 review stating WORTH IT
High quality and cleans up the charging action compared to the OEM plastic piece.

On HB Industries Grand Power Stribog SP9A3 Locking Charging Block

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04/02/25

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Johnnie L.
Verified Buyer

5.0 star rating

04/02/25

Rainier Arms & Red Dirt Top Notch

Review by Johnnie L. on 2 Apr 2025 review stating Rainier Arms & Red Dirt Top Notch
AWESOME trigger and fast shipping!!! Thanks!!!

On Red Dirt USA ST Prodigy Flat Adjustable Aluminum Trigger - F4

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04/02/25

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David E.
Verified Buyer

5.0 star rating

04/02/25

Fast Service, Great Product, looking

Review by David E. on 2 Apr 2025 review stating Fast Service, Great Product, looking
Fast Service, Great Product, looking forward to future orders with Rainier Arms

On Holosun Solar Charging Sight RMSc - Green

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04/02/25

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David N.
Verified Buyer

5.0 star rating

04/01/25

Great

Review by David N. on 1 Apr 2025 review stating Great
Great

On UN12 Magazine - Issue 16

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04/01/25

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David N.
Verified Buyer

5.0 star rating

04/01/25

👍👍👍

Review by David N. on 1 Apr 2025 review stating 👍👍👍
Amazing 👍👍

On Holosun HE508T-X2 Circle Dot Sight - Titanium

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$1,900.00

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Centurion Arms CMR Flashlight Mount

$3.92 - $3.92

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Centurion Arms CM4 5.56 Forged Upper Receiver

4.7 star rating 3 Reviews

$109.25

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Centurion Arms OPS Inc. MK12 Brake and Collar System - 1/2x28

$142.50

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Centurion Arms Enhanced M-LOK Polymer Foregrip

$24.70 - $24.70

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Centurion Arms C4 Rail System - 9.0

$247.00

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