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Luth-AR
Overview
The Luth-Ar LLC AR-308 Rifle Buffer Spring is designed specifically for the AR-10 platform, offering a reliable solution for recoil management. With its rifle-length configuration, this spring ensures optimal function and cycling of the action, making it a critical component for anyone building an AR-10. You will often find this buffer spring in builds utilizing a mid-length gas system and chambered in 5.56 NATO, providing smooth operation and consistency.
Based on build data

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Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Rise Armament Ar-15 Magazine Release Button - Rise Red | 16 | |
| Wilson Combat Ar-15 Lower Receiver Forged | 15 | |
| SIG Sauer Stock Adapter - 1913 Interface Folding Knuckle | 12 | |
| Timber Creek Outdoors Ar-15 Takedown Pin Set - Red | 11 | |
| CMMG AR-15 Carbine Buffer Assembly - 55CA977 | 11 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 10 |
| Platform | Percentage |
|---|---|
| AR-10 | 55.6% |
| AR-15 | 44.4% |
| Caliber | Percentage |
|---|---|
| .308 Win | 60% |
| 5.56 NATO | 40% |
| Gas System | Percentage |
|---|---|
| Carbine | 50% |
| Mid-Length | 50% |
Builds in the community that include the Luth-Ar Llc Ar-308 Rifle Buffer Spring
| Build | Parts | Total |
|---|---|---|
![]() | 30 | $3633.04 |
![]() | 30 | $3633.04 |
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