OSS ELITE BPR4 SRM6 7.62 OTB Suppressor Silencer

familyfirearmssales A+(478)
Factory New Condition
FFL is required

Immediate Checkout
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Quantity Available
Unit Price
Item 824078453
Location Colorado Springs, CO 80909
No international shipments
Payment Visa / MasterCard, Discover, USPS Money Order, See Item Description / Additional Terms of Sale
Checkout Immediate
Applicable Taxes and Fees
Seller must collect taxes / fees from the following states:
CO 8.25%   
Inspection/ Return Policy
AS IS - No refund or exchange

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.

You must contact your FFL transfer dealer and have them send a copy of their license with your name, username, the item and order numbers to the seller.

Need more information? Need to email the seller? Ask Seller a Question.

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OSS 7.62 OTB suppressors are a 2 component system featuring:
Back Pressure Regulator (BPR)
Signature Reduction Module (SRM)
Carbine models include the BPR1-12, BPR1-13, BPR1-14, BPR1-15, BPR1-16.
Bolt Action models include BPR1-42-B, BPR1-43-B, BPR1-44-B, BPR1-45-B, BPR1-46-B.
SRM models include the SRM-3, SRM-4, SRM-5, SRM-6 and SRM-6-MG.

7.62 OTB suppression systems are customized for a range of 7.62 platforms including Remington 700, 7.62 AR, AR-10, FN FAL, SCAR-17, M-14 and other variants. All of the BPR1 series models in this caliber set will accommodate the majority of platforms as mentioned. The BPR1 systems in this caliber set will fit over any barrel .750" or smaller.If your barrel is thicker than .750", navigate to our 7.62 Bolt Action suppressors to find models that can accommodate thicker barrels designed for lower rates of fire.

Superior Performance
Less than 5% bolt velocity increase fully suppressed
Less than .5 MOA / .15 MIL POI shift
Reduction of visual signature-less than .02 Lux of flash
No initial bloom or secondary flash
Low pressure, low temperature solution-1/3rd the operating pressure, 30% lower operating temperature
90% reduction of high velocity toxic gasses expelled at the shooter
Hearing safe at the shooters ear
Octagon design for enhanced mirage mitigation

Superior Modularity
Quick Disconnect (QD) self-torqueing design
Caliber convertible
Interchangeable Signature Reduction Modules (SRM) providing multi-mission capability
Customizable interior design enables tuning specific suppressors for specific platforms
Allows for full use of SIM/UTM and frangible ammunition

Superior Sustainability
User serviceable in the field
100% sustainable and serviceable
Will not degrade rifle service life


Buying a NFA item online is simple! You will be required to submit the ATF Form 4, fingerprints, photo, tax payment ($200 estimated) and pass the background check on your own or with the help of your local transfer dealer. We do not pay or provide any support for the transfer to you. Only extra step is we have to ship to another Class III (SOT) FFL (Federal Firearms License) dealer near you. There are tens of thousands of dealers in the US! Simply contact a nearby dealer (FFL Dealer Finder below) to be sure they are doing online NFA item purchase transfers and find out how much they charge to do the transfer. Then simply buy the firearm online and have the dealer you selected to get it shipped to e-mail us a copy of their signed FFL and SOT. That's all there is to it!

This item can only ship to another Class III (SOT) FFL dealer. After winning this auction, please provide us the name/address of the FFL you want it shipped to and have your ship-to FFL e-mail us their current FFL (signed with current date). FFL dealers can be located/found here: FFL Dealer Finder/Listings We cannot ship until we get the license. Please be aware of any cost to complete the transfer from the ship-to FFL - this cost is not included in this sale.

Please be aware of your local/state laws. Some NFA items cannot be sent to some locations. It is your responsibility to know your laws on if you can purchase this item. We cannot accept returns/refunds, so check with your local FFL (gun dealer) to be sure you can legally purchase if you do not know.


Payment or arrangement of payment (see below) due within 4 hours of purchase - we prefer you to use the GunBroker.com checkout system for the fastest and most secure service.

We list items in many places and in our store. We have to cancel orders from time to time due to the item being sold out. We update our GunBroker.com inventory every 30 minutes. We cannot hold items until payment is arranged/received. Please pay promptly to ensure inventory.

How to arrange payment: purchase item and then message us immediate with your payment request such as sending "USPS Money Order".

We only charge sales tax for orders shipped to Colorado.

By purchasing this item you agree to all the terms set forth in this listing and GunBroker.com terms.


This item is brand new from the manufacturer and comes with everything they include with full warranty. Serial number, if pictured, may not the one you receive if we have multiples of the item. Next available serial # will be shipped.

We do our best to answer your questions quickly. We do not have every item available at our store location for us to inspect/measure/look at.

If you are not 100% sure about the details of this item, please ask or check the manufacturer's website or ask us before you purchase. Images are sometimes stock images from the manufacturer and may have lifestyle items displayed that are not part of the item - please ask to be sure. We maintain over 10,000 items and sometimes listing mistakes happen, please ask us if you have any questions/concerns.

This item is not a knock off - 100% authentic.

No hidden credit card or hidden shipping fees!

We strive for A+ feedback! If you have any issues with your order, please contact us and we can take care of the issue!


We ship Monday - Friday. Most orders ship in 2-3 business days depending on workload but never before we have the ship-to FFL dealer's license copy. Shipping carrier is USPS Priority Mail for hand guns and UPS Ground for long guns. Once we have a tracking number, we will update your order status and send you an email (usually between 4-7pm MST the day your order ships).

We can only ship to physical FFL dealer addresses in the 50 US States that UPS or USPS can deliver to.

Alaska/Hawaii - contact us for a quote.

We cannot ship this item under any circumstances to international customers or to US protectorates such as Puerto Rico.


If we make a mistake, I apologize. Rest assured we will take care of it! Please contact us if you find an error with your order/item.

We cannot accept returns on the following items: Ammunition, Firearms, Batteries, Hearing Protection, Mace, Tasers, food products, pre-owned/used/installed items, items without original packaging or not in resalable condition.

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Need more information? Need to email the seller? Ask Seller a Question

Seller provided no "Additional Terms of Sale"
Mfg Part Number
OSS 1146