Keystone Munitions makes reliable ammunition for range or competition shooting

300 Blackout Subsonic 220g TMJ Reman

Introducing the 300 Blackout Subsonic 220g TMJ Reman, designed for shooters who demand top-notch accuracy and reliability. This ammunition features a subsonic velocity for reduced noise. The Total Metal Jacket (TMJ) design ensures consistent expansion and reduces lead exposure, enhancing both performance and environmental responsibility.

The heavy 220-grain bullet offers exceptional stability and energy transfer, ideal for long-range shooting and achieving tight groupings. Crafted from premium components, each remanufactured round undergoes rigorous testing to deliver superior consistency, making it a cost-effective yet high-quality choice.

$225.00$900.00

Additional information

Weight N/A
Dimensions N/A
Quantities

250, 500, 750, 1000

Caliber

300mm

Projectile

220g TMJ

Additional Products

Frequently Asked Questions

By purchasing from Keystone Munitions online you affirm that you:

Are a U.S. citizen

Are 21 years of age or older.

Have never been convicted of a felony or crime punishable by imprisonment for a term exceeding one year.

Have never been adjudicated as mentally defective or committed to a mental institution.

Have never been a fugitive from justice, or an unlawful user of any controlled substance.

Have never been dishonorably discharged from the Armed Forces.

Have never renounced his or her US citizenship.

Have never been convicted of a misdemeanor crime of domestic violence.

Are not currently subject to a court order that restrains you from harassing, stalking, or threatening a partner or child.

Are aware that our products are intended for adult use only.

States we do NOT ship to:

Alaska, California, Connecticut, Hawaii, Illinois, New York, New Jersey, Rhode Island, Washington DC, Massachusetts.

We cannot ship to any US Territories

We cannot ship to any military APO or FPO

WE DO NOT SHIP TO PO BOXES

Our normal shipping schedule is 3-5 business days from the date of the order. We ship Monday through Thursday. 

If your order hasn’t shipped by day 6, don’t hesitate to get in touch with us for further information regarding your order

Please allow 24-48 business hours for the tracking info to update on the UPS website.

Shipping is automatically calculated before submitting your payment information. Add items to your cart and click on secure checkout. You will then be instructed to add your state, zip code, and city for shipping rates.

We ship UPS Ground only.

We offer payment with all major credit cards including Visa, Mastercard, Discover, and American Express. You will see a pending transaction hit your account and funds will be pulled as soon as the order ships.

Your credit card will be charged when your order is marked to ship.

Keystone Munitions has a company policy that all sales are final.

No exchanges or returns.

You are required to notify Keystone Munitions within 90 days of any issues or defects with your purchase.

You may also be required to return the suspected defective ammo for testing before receiving a refund or replacement within 90 days of the prepaid return label.

If you contact Keystone Munitions after the 90-day period your claim may be subject to denial, and no refund or replacement will be issued.

Once an order has been shipped we are unable to cancel the order. You can cancel your order before shipping by using the contact form.

Yes, the Nexus for each state is different. For some states it’s a dollar amount, other states the number of orders, and in some states a combination of the two.