User Ratings
No ratings yet
Be the first to review this product
Replacement AR .308 Mk3 Carbine Action Spring. Manufacturer: CMMG. Compatible with AR-308 LR-308 carbine platforms.
Specifications
- Manufacturer:
- Cmmg
- Category:
- buffer-spring
- Platforms:
- AR-10
- UPC:
- 815835015071
- MPN:
- 38CA98E
- Required Component:
- Yes
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$4.69
Lowest
$4.69
Highest
$6.69
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Geissele Super 42 Rifle Length Buffer Spring (Braided Wire)
Geissele Automatics
$28.99
Geissele Super 42 Braided Wire Buffer Spring Buffr Combo H2
Geissele Automatics
$78.99
Aero Precision Carbine Buffer Spring, Stainless
Aero Precision
$5.99
Armaspec Stealth Recoil Spring H3 Gen 4 SS Black 5.6 oz
Armaspec
$62.03
Armaspec Stealth Recoil Spring SRS Gen 4 H2 Drop-In Buffer Upgrade
Armaspec
$62.33
M16 Rifle Cs Standard Spring Kit - M16 Rifle Cs Buffer Spring Stand-Alone
Sprinco Usa
$18.96
Aero Precision AR15 Carbine Buffer Spring - APRH100504C
Aero Precision
$4.99
Armaspec Stealth Recoil Spring System Gen4 Buffer Spring AR-15 Carbine
Armaspec
$57.54
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
AR-15 Malfunction Diagnosis: Reading What Your Rifle Is Telling You
A systematic guide to diagnosing AR-15 malfunctions (failure to feed, failure to extract, failure to eject, and double feeds) with root causes and how to isolate them.
7 min read
Guide
AR-15 Terminology: A Builder's Reference
A concise reference guide to AR-15 terms, acronyms, and concepts — covering the platform, components, ammunition, and legal classifications commonly encountered by builders.
10 min read