Strike Industries Optimus Modular Weight Buffer

Strike Industries Optimus Modular Weight Buffer - Buffer for AR-15 - view 1
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Strike Industries

Overview

The Strike Industries Optimus Modular Weight Buffer is designed specifically for AR-15 and AR-10 platforms, allowing builders to fine-tune their rifle's performance with its adjustable feature. This carbine-weight buffer provides versatility in tuning your system's cycling, which can significantly enhance reliability and recoil management. It is commonly found in builds utilizing a mid-length gas system in 5.56 NATO caliber, making it a practical choice for those looking to optimize their setup.

Specifications

MPNSI-AR-OPTIMUS-WB
AdjustableYes
PlatformAR-15/AR-10
Buffer WeightCarbine

Available Merchants(4)

Prices checked

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BattleHawk Armory logo
BattleHawk Armory
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Out of Stock
$60
AT
AT3 Tactical
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$60
Primary Arms logo
Primary Arms
Free shipping over $99
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$65
KY Gun Company logo
KY Gun Company
Flat rate shipping
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$65

August 2026 on GunPartPicker

Strike Industries Optimus Modular Weight Buffer ranked #18 of the 88 buffers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #12 of the 171 buffers builders have added. Builds with this buffer are mostly chambered in 5.56 NATO (62%, then .223 Wylde 15%), split between mid-length (55%) and rifle-length (27%) gas systems, and mostly AR-15 (73%, then AR-10 27%).

It was out of stock everywhere we track for all of August 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $59.95 at BattleHawk Armory for when it comes back.

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Frequently Built With

The part most often added in each category by the 72 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

72.7%
AR-1572.7%
AR-1027.3%

Caliber

61.5%
5.56 NATO61.5%
.223 Wylde15.4%
.224 Valkyrie7.7%
.308 Win7.7%
7.62x39mm7.7%

Gas System

54.5%
Mid-Length54.5%
Rifle27.3%
Carbine18.2%

Builds Featuring This Part

See all 4

Builds in the community that include the Strike Industries Optimus Modular Weight Buffer

BuildPartsTotal
16" 5.56 build
16" 5.56
28$1935.08
16" build build
16" build
23$1427.44
Truck gun 16" build
Truck gun 16"
18$2801.17
stag arms 14.5" 5.56 build
stag arms 14.5" 5.56
22$2553.60

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