Aero Precision AR-15 Rifle Buffer Spring
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Aero Precision
Overview
The Aero Precision AR-15 Rifle Buffer Spring is designed specifically for the AR-15 platform, providing reliable performance in builds that utilize a rifle-length buffer system. Its length ensures proper cycling and helps maintain optimal operation in conjunction with mid-length gas systems, particularly when chambered in 5.56 NATO. This spring is commonly found in builds that prioritize consistent reliability and smooth recoil management.
Specifications
Available Merchants(3)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Aero Precision AR-15 Rifle Buffer Spring is the third most added buffer spring on GunPartPicker so far in October 2026, behind the Strike Industries Flat Wire Spring, 10" L X 0.75" ID X 0.94" OD - AR-FWS-P, with about 11% of all buffer springs added to builds. Up from #4 in August. Builds with this buffer spring are mostly chambered in 5.56 NATO (78%), split between mid-length (54%) and carbine-length (24%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track for all of September 2026, and today only Optics Planet has it in stock. Buying today, the lowest price is $5.39 at Optics Planet, above September's low of $4.99, so a better deal may come 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 hundreds of builds that include this one
CMMG AR-15 Carbine Buffer Assembly - 55CA977
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Timber Creek Outdoors Ambidextrous Safety Selector - Black
Rise Armament AR-15 Magazine Release Button - Rise Red
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip 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 Aero Precision Ar-15 Rifle Buffer Spring
| Build | Parts | Total |
|---|---|---|
 | 27 | $8150.83 |
 | 23 | $2381.46 |
 | 22 | $2228.40 |
 | 26 | $1840.32 |
 | 13 | $1118.72 |
 | 29 | $1861.68 |
 | 21 | $1292.81 |
 | 22 | $1277.31 |
| 26 | $2041.62 |
 | 26 | $1635.89 |
 | 19 | $674.26 |
 | 23 | $1398.53 |
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