OSS BPR Suppressor System 1425 .223/5.56 1/2x28 AR15, M4, HK416
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OSS BPR Suppressor System 1425 .223/5.56 1/2x28 AR15, M4, HK416

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Ships in 3 business days
Manufacturer Number:
223 Remington
Unit of Measure:
Class 3

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OSS delivers the next generation of weapon suppression and signature reduction devices. Our Energy, Particulate Capture and Control Modular Devices are revolutionary, utilizing 12 patented technologies. OSS devices are specifically engineered to a weapon’s operating system, caliber, and barrel length. The function and physics of these variables are the essential basics of every design. The weapon system’s performance and reliability will not be sacrificed in order to gain the advantages of suppression. The modular system components are designed to be configured at the end-user level in order to maximize effectiveness and tactical advantage from mission to mission. Every unit is caliber convertible allowing for the same outer housing unit to be used on multiple weapons platforms.


BPR-1 - OTB w/ SRM-4

Weapon system overall length increase: 4.83" / 12.27 cm

Unit length behind/in front of the flash hider: 5.88" / 14.94 cm - 4.83" / 12.27 cm

Total unit weight: 11.3 oz / .32 kg

Point of impact shift from 32 F to 600 F (O C to 315 C): Less than .5 MOA / .14 Mil

Peak visual signature including 1st round: Less than 3.0 Lux

Avg decible level cold (under 200F/93C): 138 db

Avg decible level hot (over 400F/205C): 139 db

Avg decible level hot (sustained auto fire): 142 db

Bolt velocity/rate of fire increase %: Less than 6%

Mirage intensity reduction on line of sight: 60%

Automatic fire capable: Yes

Caliber convertible: Yes

Maintenance sustainment rate - 20 RPM: 10,500 rounds

Maintenance sustainment rate - 60 RPM: 6500 rounds

Maintenance sustainment rate - 850 RPM (3-5 round burst): 4500 rounds

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Warranty Information

Impact Guns Lifetime Warranty

Shipping & Returns

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.