Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
Click to see full view
Strike Industries
Overview
The Strike Industries Flat Wire Spring for AR Carbine is designed specifically for AR-15 and AR-10 platforms, providing a reliable and consistent performance with its flat wire design. This carbine-length spring enhances the cycling efficiency of your firearm, which can lead to reduced friction and improved reliability over time. This spring is frequently found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a solid choice for those configurations.
Specifications
Available Merchants(4)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C is the most added buffer spring on GunPartPicker so far in October 2026, ahead of the Strike Industries Flat Wire Spring, 10" L X 0.75" ID X 0.94" OD - AR-FWS-P, with about 27% of all buffer springs added to builds. That's its 6th straight month at #1. Builds with this buffer spring are mostly chambered in 5.56 NATO (74%, then .223 Wylde 10%), split between mid-length (53%) and carbine-length (26%) gas systems, and mostly AR-15 (95%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 3 of the 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $19.95, so there haven't been real sales lately. Buying today, the lowest price is $21.95 at Brownells, above September's low of $19.95, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which buffer spring to pick?
We ranked every buffer spring by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Spring Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by thousands of builds that include this one
Wilson Combat AR-15 Lower Receiver Forged
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
CMMG AR-15 Carbine Buffer Assembly - 55CA977
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B
Timber Creek Outdoors Ambidextrous Safety Selector - Black
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 Flat Wire Spring for AR Carbine - AR-FWS-C
| Build | Parts | Total |
|---|---|---|
| Ar-15 | 21 | $2296.41 |
 | 15 | $1360.72 |
 | 28 | $3969.75 |
 | 26 | $4359.48 |
 | 24 | $1326.89 |
 | 24 | $1750.68 |
 | 27 | $2380.11 |
 | 30 | $4523.07 |
 | 22 | $1009.28 |
 | 27 | $4215.43 |
 | 32 | $6137.47 |
 | 32 | $7100.16 |
No reviews yet. Be the first to review this product!