Anderson Manufacturing AR-15 Receiver Extension Buffer Tube – HR Tactical Innovations

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Anderson Manufacturing  |  SKU: AM-21-CAR

Anderson Manufacturing AR-15 Receiver Extension Buffer Tube - MIL-SPEC Carbine

Regular price $24.99 USD
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⚙️ Product Details

Durable 7075-T6 Aluminum Construction for Maximum Reliability

The Anderson Manufacturing MIL-SPEC Carbine AR-15 Buffer Tube is precision-machined from impact-extruded 7075-T6 aluminum, delivering exceptional strength and durability. Designed for 6-position adjustability, this MIL-SPEC diameter buffer tube ensures a precise fit with most carbine stocks, providing consistent performance for tactical, competition, or duty use.


Key Features:

Premium 7075-T6 Aluminum – Superior strength and durability compared to 6061-T6 aluminum buffer tubes.
MIL-SPEC Diameter – Ensures a secure and snug fit with all MIL-SPEC adjustable carbine stocks.
6-Position Adjustable – Allows for precise length-of-pull adjustments, accommodating various shooting positions and user preferences.
Hardcoat Anodized Finish – Increases wear and corrosion resistance for long-term durability.
Extended Bottom Lip Design – Helps prevent carrier tilt, improving the longevity and reliability of your rifle’s buffer system.
Lightweight Construction – Weighs just 3.6 oz, minimizing unnecessary weight while maintaining structural integrity.
Made in the USA – Manufactured with strict quality control and backed by Anderson’s limited lifetime warranty.


Perfect for Any AR-15 Carbine Build

Whether you're upgrading your existing rifle or building from scratch, the Anderson Manufacturing MIL-SPEC Buffer Tube offers a reliable, high-quality foundation for your stock and recoil system.

🔹 Ideal for duty, defense, and competition rifles
🔹 Compatible with most MIL-SPEC adjustable stocks
🔹 Designed for maximum stability and long-lasting durability

Ensure precision fit, durability, and smooth function in your AR-15 with a buffer tube built to MIL-SPEC standards.

Upgrade your rifle today with Anderson Manufacturing’s 6-Position MIL-SPEC Buffer Tube

🚚 Shipping & Delivery

Most in-stock items ship within 3 business days.

Special order items are typically processed within 14 business days (excluding weekends and holidays).

Custom items may require additional time depending on production schedules.

If you’d like to receive your order sooner, please select an expedited shipping option at checkout.

Some products ship directly from the manufacturer, and an equivalent carrier or service level will be chosen to match your selected shipping speed.

Shipping delays caused by carriers are outside our control, but we’ll always help track updates.

See our Shipping Policy for details.

🔄 Returns, Exchanges & Warranty

Returns are accepted within 14 days for items that are unused, unopened, and in original packaging with no damage.

A restocking fee applies, but it may be partially waived if store credit is selected instead of a refund to the original payment method.

Custom builds, sale items, and hazardous goods are final sale.

Warranty Coverage: Manufacturer warranties apply to all standard products. Any defects, malfunctions, or performance issues are handled directly by the manufacturer per their terms.

HR Tactical Innovations covers a Fitment & Functionality Guarantee on all custom or modified items — if a verified production error occurs, we’ll replace the item.

View our Refund Policy for full details.

🌍 International Shipping

We ship worldwide to Canada, Mexico, Europe, Asia, and Oceania, including:

🇨🇭 Switzerland • 🇨🇿 Czechia • 🇩🇪 Germany • 🇩🇰 Denmark • 🇪🇸 Spain • 🇫🇮 Finland • 🇫🇷 France • 🇬🇧 United Kingdom • 🇭🇰 Hong Kong SAR • 🇮🇪 Ireland • 🇮🇹 Italy • 🇯🇵 Japan • 🇰🇷 South Korea • 🇲🇾 Malaysia • 🇳🇱 Netherlands • 🇳🇴 Norway • 🇵🇱 Poland • 🇵🇹 Portugal • 🇸🇪 Sweden • 🇸🇬 Singapore • 🇦🇺 Australia • 🇳🇿 New Zealand • 🇦🇪 UAE and more.

Transit averages 2–4 weeks depending on customs clearance. We are not responsible for customs delays. Reduced transit times are only available through expedited shipping options.

Import duties, VAT, and taxes are not included in your order total and must be paid by the recipient.

If a package is rejected, unclaimed, or returned due to unpaid duties, an incorrect address, or failure to collect, it will be handled under our Refund Policy. Shipping costs are non-refundable in these cases.


Pressurized or restricted items ship ground only where permitted.

Questions? Contact ops@hrtacticalin.com before checkout.

🎖️ Military / GovX Discounts

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