Strike Industries Optimus Modular Weight Buffer
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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
Available Merchants(4)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders have been adding the Strike Industries Optimus Modular Weight Buffer to their builds on GunPartPicker since February 2026. All time, it ranks #17 of the 194 buffers builders have added. Builds with this buffer are mostly chambered in 5.56 NATO (63%, then .223 Wylde 14%), split between mid-length (54%) and carbine-length (26%) gas systems, and mostly AR-15 (95%).
It was out of stock everywhere we track for all of September 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.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Rise Armament AR-15 Magazine Release Button - Rise Red
Phase 5 Tactical AR-15 90 Degree Ambi Safety Selector Black
Strike Industries Extended Bolt Catch
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Strike Industries Optimus Modular Weight Buffer
| Build | Parts | Total |
|---|---|---|
 | 28 | $2047.45 |
 | 23 | $1499.18 |
 | 18 | $2731.98 |
 | 22 | $2543.83 |
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