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Description
Odin Works Adjustable AR-10 Buffer — 3.45–4.65 oz · .308 Win & 7.62x51 Builds100% USA Made Odin Works Southern Idaho 3. 454. 65 oz Range AR 10 . 308 7. 62x51 In Stock ODIN Works Southern Idaho 100% USA Made Stainless steel body 3 interchangeable weights AR 10 rifle length tube compatible The AR 10 is a fundamentally different cycling equation than the AR 15 more mass, more gas pressure, more BCG energy to manage. Getting the buffer weight right on a . 308 Win or 7. 62x51 AR 10 is critical for reliability, brass life, and felt
The AR-10 is a fundamentally different cycling equation than the AR-15 — more mass, more gas pressure, more BCG energy to manage. Getting the buffer weight right on a .308 Win or 7.62x51 AR-10 is critical for reliability, brass life, and felt recoil. The Odin Works Adjustable AR-10 Buffer gives you 3 interchangeable weights — aluminum, stainless steel, and tungsten — covering a 3.45 to 4.65 oz range in a stainless steel body built specifically for the large-frame AR platform. Stop guessing. Start tuning. 100% USA made in Southern Idaho.
3-Weight System
Precision Tuning for the Large-Frame AR
The AR-10 buffer includes 3 weights — one of each material — covering the precise range the .308/7.62 platform demands. Load any combination of the 3 included weights to dial in your exact configuration.
The AR-10 platform runs at significantly higher bolt thrust and gas pressure than the AR-15. An AR-10 that's running too light a buffer will slam the BCG rearward aggressively — beating up your receiver, your bolt, and your brass. Too heavy and it short-strokes. The Odin Works adjustable system lets you find the exact weight your specific AR-10 needs based on your gas system, barrel length, and ammunition — without buying three different fixed-weight buffers to get there.
Key Features
Large-Frame AR. Precisely Tuned.
- ◆Stainless steel body — heavy-duty construction built for the higher bolt thrust and cycling energy of the AR-10 / .308 platform. More durable than aluminum for large-frame applications.
- ◆3 interchangeable weights — aluminum (lightest), stainless steel (mid), tungsten (heaviest). One of each, giving you precise control across the 3.45–4.65 oz range.
- ◆3.45 to 4.65 oz range — covers the full practical buffer weight range for AR-10 and .308 builds. Whether you're running a 16" mid-length or a 20" rifle-length gas system, the Odin Works adjustable covers it.
- ◆Face-mounted set screw adjustment — swap weights from the front without punching out roll pins or disassembling the buffer. Change your configuration at the range in seconds.
- ◆Compatible with .308 Win, 7.62x51 NATO, and other AR-10 platform calibers — fits standard AR-10 rifle-length buffer tubes.
- ◆Recoil management — properly matched buffer weight reduces felt recoil and muzzle rise on the AR-10 platform significantly. Faster follow-up shots, better brass retention, longer component life.
- ◆100% USA made — designed and manufactured by Odin Works in Southern Idaho. Lifetime warranty.
Technical Specs
Full Breakdown
| Specification | Odin Works AR-10 Buffer |
|---|---|
| Body Material | Stainless Steel |
| Weight Range | 3.45 oz – 4.65 oz |
| Weights Included | 1 Aluminum + 1 Stainless Steel + 1 Tungsten (3 Total) |
| Minimum Weight Config | 3.45 oz |
| Maximum Weight Config | 4.65 oz |
| Adjustment Method | Face-mounted set screw — no tools required |
| Platform | AR-10 · .308 Win · 7.62x51 NATO · Rifle-Length Buffer Tube |
| Dimensions | 1.35 × 3.80 × 8.45 inches |
| Installation | Drop-In · AR-10 Rifle-Length Tube |
| Manufacturing | 100% USA Made · Southern Idaho |
| Warranty | Odin Works Lifetime Warranty |
Related Products
ODIN Works® is a registered trademark of Odin Works, manufactured in Southern Idaho, USA. Compatible with AR-10 rifle-length buffer tubes. All forced reset triggers are federally legal following the May 2025 DOJ settlement. State restrictions may apply — see our state legal guide.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy