OSS - 5.56 BPR1-14 / SRM4 OTB SUPPRESSOR BIG  SALE !! 50% BELOW COST !!
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OSS - 5.56 BPR1-14 / SRM4 OTB SUPPRESSOR BIG SALE !! 50% BELOW COST !!

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$2,399.00 $799.00
(You save $1,600.00)
SKU:
NFA-SUPPRESSOR-OSS-556-OTB-Suppressor
Shipping:
$39.00 (Fixed Shipping Cost)
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                                             OSS BPR 114  5.56mm OTB suppressor with SRM 4

The OSS 5.56mm OTB suppression systems are customized for a wide range of 5.56mm / .223 platforms including all AR15 / M16 / M4 and other variants. OSS 5.56 OTB suppressors are a 2 component system featuring: Back Pressure Regulator (BPR) Signature Reduction Module (SRM). The OSS suppression system combines a BPR (Back Pressure Regulator) and SRM (Signature Reduction Module) to deliver hearing safe sound and flash signature suppression without adverse effects caused by baffle suppressors. 

The OSS Flow-Through suppression system redirects the toxic gas and carbon forward while only adding 30psi to barrel pressure – a relatively low 2.5x increase!. OSS suppressors dramatically reduce felt recoil and muzzle rise. OSS Flow-Through suppression systems eliminate first round flash. The OSS Flow-Through suppression system provides superior heat management by allowing for the gas and energy transfer to occur at a natural rate – traveling as much as 40” before exiting the muzzle. The result is 70% lower temperature than with baffle suppressors and a more rapid return to normal temperature after firing. 

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. 

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

OSS suppression systems can deliver sound levels as low as 138dB – well below hearing safe. And with OSS’s modular suppression systems, operators can combine different BPRs and SRMs to achieve the sound signature required for their mission. 

Decibel rating for OSS BPR 114 5.56mm w/ SR M4 The decibel rating for the OSS BPR 114 suppressor is 152 db. When the SRM 4 is mounted the decibel rating drops to 140 db. OSS BPR 114 length is 7.4" inches. OSS BPR 114 with SRM4 overall length is 11.75" inches. Decibel readings >140 dB are not hearing safe according to OSHA standards. Testing was conducted using a 14.5” 5.56mm AR. Microphones were located at the shooter's ejection-port-side ear in close quarters (10’ X 10’ Conex). This unit will provide outstanding reliability for any tactical or sporting situation. Buy with confidence as you will NOT be disappointed !!!

Due to state laws you may not be able to purchase a suppressor. 

Be sure you are aware of your local laws before making a purchase. Federal regulation requires that all suppressors must be shipped to a licensed firearms dealer. Transfer approval times are subject to change per ATF. We do not control how long it takes ATF to approve forms. 

If you have any questions about purchasing this suppressor please call us at 941-219-4236.

 

 

 

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.

Shipping
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.

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