Odin Works Adjustable AR-10 Buffer — 3.45–4.65 oz · .308 Win & 7.62x51 Builds

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} .pw-divider { border: none !important; border-top: 1px solid #e8e0d0 !important; margin: 28px 0 !important; } .pw-brand-strip { display: flex !important; align-items: center !important; gap: 12px !important; background: #faf8f4 !important; border: 1px solid #e8e0d0 !important; border-radius: 4px !important; padding: 14px 18px !important; margin: 0 0 24px !important; } .pw-brand-flag { font-size: 20px !important; } .pw-brand-text { font-family: 'DM Sans', sans-serif !important; font-size: 13px !important; color: #5a3e10 !important; font-weight: 700 !important; } .pw-brand-sub { font-family: 'DM Sans', sans-serif !important; font-size: 12px !important; color: #9e7b4a !important; } @media (max-width: 640px) { .pw-cta { flex-direction: column !important; align-items: flex-start !important; } } ✓ 100% USA Made ✓ Odin Works ✓ Southern Idaho ✓ 3.45–4.65 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 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. AL Aluminum × 1 Light end — 3.45 oz minimum config SS Stainless × 1 Mid-weight — intermediate tuning W Tungsten × 1 Max weight — 4.65 oz heavy config Why AR-10 Buffer Weight Is Critical 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 Compatible Platforms AR-10 .308 Winchester 7.62x51 NATO 6.5 Creedmoor AR-10 Rifle-Length Buffer Tube LSD Arms AR-10 Odin Works AR-10 Buffer — In Stock 100% USA Made · 3.45–4.65 oz · Ships Fast · Southern Idaho Add to Cart Related Products Odin Works AR-15 Heavy Buffer Odin Works AR-15 Lite Buffer Odin Works Ambi Safety — 8 Colors Disruptor FRT — $299 Best FRT Triggers 2026 Guide FRT Legal by State Guide 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. Show more