Griffin Armament
Dead Air® Sandman S vs DUAL-LOK™ HRT-762™ | Sound Testing Overview
updated
When Griffin asked how to show this data, Hottinger Brüel & Kjær (leading audiology metrology provider) suggested researching the US Army Development Command's Army Research Laboratory AHAAH (Auditory Hazard Assessment Algorithm for Humans), as this is a supported function in the HBK PULSE LabShop software.
Griffin's new data continues to show peak decibel data, as that is the loudest part of the waveform, but also shows more details that will be of interest to consumers for years to come. This data includes:
• Peak dB sound pressure level reading.
• LAeq A-weighted Equivalent Continuous Sound Pressure Level (average A weighted dB sound pressure for the waveform over the defined time in milliseconds).
• Leq Unweighted Equivalent Continuous Sound Pressure Level (average unweighted dB sound pressure for the waveform over the defined time in milliseconds).
• Number of exposures with no protector worn, "warned" (how many gun shots would be safe to fire or be in the immediate vicinity of, daily and weekly, for an anticipating observer) applying to 95% of the exposed population.
• Source document of waveform graphic and table.
• Descriptive summary of testing.
Resources:
https://www.arl.army.mil/resources/ahaah/
bksv.com/en/about/history
Timecodes
0:00 - Intro
0:18 - Hardware History
4:00 - Peak Data History
6:20 - Scientist Factory Tech Setup
7:59 - Noise Dosing & Customer Satisfaction
10:59 - AHAAH Overview
12:25 - Waveform Practical Demonstration
17:33 - Software Recap
18:11 - Hearing Protection Importance
19:29 - Noise Dosing Recap
20:16 - Summary
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Timecodes
0:00 - Intro
0:16 - Types of Ammo
0:31 - Training Ammo
1:08 - Defensive Ammo
1:46 - Match Grade Ammo
2:12 - Hunting Ammo
2:53 - Outro
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Accuracy unsuppressed for the M40A5 with the DUAL-LOK™ mount was .935 MOA. Accuracy suppressed with the PSR™ 7 mounted was .221 MOA. POI shift was .460 MOA Up and zero MOA windage.
Accuracy for the unsuppressed M40A5 was .452 MOA. Accuracy suppressed with the Surefire® FA762SS was .349. POI shift for the Surefire® FA762SS was .692 MOA Left and .050 MOA Down.
We also compared Griffin's DUAL-LOK™ PSR™ 5 which was tested on a Griffin Armament® 16" MK1 rifle built with a 12.5" suppressor ready rail. This was compared to an Ops Inc 12th model / Allen Engineering® AEM5 on a Precision Reflex Inc PRI MK12 Mod H (Holland), which is a 16" barreled special purpose rifle. Both 5.56 rifles were fired using Leupold's 2.5–8×36 mm TS-30 MK4 MRT optics with magnification set at 8 power. Ammunition used was circa 2015 55 gr Ruag sold under the prime label.
Accuracy unsuppressed for the MK1 5.56mm rifle with DUAL-LOK™ mount was .543 MOA. Accuracy suppressed with the Griffin PSR5 mounted was .492 MOA. POI shift was .67 MOA Left and .460 MOA Down.
Accuracy for the unsuppressed MK12 Mod H was .581MOA. Accuracy suppressed with the Allen Engineering® AEM5 was 1.069 MOA. POI shift for the Allen Engineering® AEM5 was .05 MOA Right and .420 MOA Up.
POI shift was compared to unsuppressed POI using 3 shot groups at 100 yards.
Timecodes
0:00 - Intro
1:03 - Shooting Selections
1:47 - M40A5
1:59 - PSR 7
2:22 - FA762SS
3:06 - Griffin MK1
3:13 - PSR 5
3:28 - MK12 Mod H
3:38 - AEM5
4:00 - POI Shift Conclusion
10:58 - Outro
To view all DUAL-LOK™ suppressors:
griffinarmament.com/silencers/rifle-silencers/dual-lok
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*All of the suppressors, in our opinion, performed excellently in this test.
"Surefire" and "FA762SS" are federally registered trademarks of Surefire, LLC and is of many trademarks owned by Surefire, LLC. "Allen Engineering" and "AEM5" are federally registered trademarks of Allen Engineering and is of many trademarks owned by Allen Engineering. Griffin Armament® is an independent manufacturer that is in no way affiliated with or endorsed by Surefire LLC, or Allen Engineering.
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Timecodes
0:00 - Intro
0:11 - Specifications
0:35 - Flash Testing Photos
0:42 - Sound Testing Overview
3:21 - Conclusion
"Sig Sauer" and "SLX556-QD" are federally registered trademarks of Sig Sauer Inc, and is of many trademarks owned by Sig Sauer Inc. Griffin Armament® is an independent manufacturer that is in no way affiliated with or endorsed by Sig Sauer Inc. The demonstration of the Sig Sauer® SLX556-QD is merely used for comparisons of the Griffin DUAL-LOK™ 5 suppressor.
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For more information on the DUAL-LOK™ PSR™ Suppressors visit:
griffinarmament.com/dual-lok-psr-otb-5-silencer-5-56mm
griffinarmament.com/dual-lok-psr-otb-7-silencer-7-62mm-1
-- Check out the Dwell Time Podcast --
griffinarmament.com/info/media/dwell-time-podcast
-- DUAL-LOK™ 5 & 7 Suppressor Tutorial --
youtube.com/watch?v=VIHAwFLMxSA&t=460s
-- DUAL-LOK™ HRT-556™ Suppressor Tutorial --
youtube.com/watch?v=eU7BPFNZDFA
Timecodes
0:00 - Intro
1:24 - Suppressor Overview
2:43 - Specifications
4:50 - Mounting System Overview
6:43 - Muzzle Device Options
7:43 - Mounting System Demonstration
10:43 - Cleaning Overview
12:51 - Maintenance & Service Life
14:40 - Gunsmithing Considerations
16:48 - Outro
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Reflex Suppressors, or Over the Barrel Suppressors have been manufactured for quite some time, but recently haven’t been the focus by mainstream manufacturers. Griffin Armament first made OTB suppressors over ten years ago with the introduction of the RSTA and SPR models. Meant to diminish blow back, provide superlative accuracy, excellent POI shift characteristics and add minimal system length, these suppressors were highly desirable among suppressor aficionados. Griffin is reintroducing next generation over the barrel suppressors with the DUAL-LOK™ PSR™ suppressor series.
*AVAILABLE FOR CONSUMERS 11/16/22*
For more information on the DUAL-LOK™ PSR™ Suppressors visit:
griffinarmament.com/dual-lok-psr-otb-5-silencer-5-56mm
griffinarmament.com/dual-lok-psr-otb-7-silencer-7-62mm-1
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*DISCLAIMER*
This product is marketed and intended specifically for government professional sharp shooter communities.
Examples: Military Branches, Agencies, Law Enforcement, etc.
This video is fictional and depicts a fictional activity for entertainment purposes only. No one was harmed in the making of this video. Prop guns were used in this production - no real firearms were used in the making of this video.
Designed and manufactured by snipers
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Timecodes
0:00 - Intro
0:16 - Cleaning Pistols
0:37 - Cleaning Rifles
1:11 - Cleaning Bolt Action
2:00 - What to Look For
2:22 - Benefits to Keeping a Dirty Barrel
2:57 - How Often to Clean Your Firearms
3:25 - Choosing a Firearm Lubricant
4:17 - Outro
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-- Check out the HRT-556™ Podcast Episode --
five.libsyn.com/episodes/view/24292482
-- HRT-556™ SPL & Flash Testing --
youtube.com/watch?v=mxLrkdr3eis&t=54s
Timecodes
0:00 - Intro
1:00 - Specifications & Overview
2:16 - Features & Mounting System
5:35 - Mounting Demonstration
8:05 - Maintenance & Service Life
8:44 - Cleaning Overview
10:06 - Durability
11:16 - Muzzle Device Options
12:47 - Outro
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For more information on the DUAL-LOK™ HRT-556™ visit:
griffinarmament.com/dual-lok-hrt-556-22-cal
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Join our winning team! Email us:
marketing@griffinarmament.com
Griffin Armament Employment page:
griffinarmament.com/contact-us/employment
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Initially designed for elite HRT unit’s, Griffin Armament’s HRT-556™ model is the shortest addition to the DUAL-LOK™ family of suppressors which has, to this point, not been available to the general public. Griffin utilized the new DUAL-LOK™ active retention system with this suppressor, an often demanded feature by government customers. This combined with generations of R&D brought a compact, highly durable, low flash, and top performing suppressor to market for government customers. Griffin is now releasing it to the commercial market.
For more information on the DUAL-LOK™ Suppressors visit:
www.griffinarmament.com/silencers/rifle-silencers/dual-lok
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Griffin utilizes cutting edge CAD design, industry leading tooling and machining practices, and integration of laser welding to provide ideal construction to the tubeless DUAL-LOK™ suppressors.
Substantial efforts are taken in the manufacturing and inspection of the DUAL-LOK™ products to ensure Griffin customers are outfitted with some of the best suppressor systems in the world.
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For more information on the DUAL-LOK™ 5 & 7 visit:
www.griffinarmament.com/silencers/rifle-silencers/dual-lok
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We do not recommend users do this testing on their own. It is dangerous to yourself and others to operate the suppressor and firearm at more than two magazines of full auto, followed by 15 rounds per minute sustained (which is equal to the sustained rate of fire for the M4A1 carbine). Our conservative recommendations have always positioned users in a place where they should expect long service life of the product measured in tens of thousands of rounds. It is not uncommon for our suppressors to last over 50,000 rounds with end users in the field.
Rest assured though, your product is covered by the Griffin Perpetual Lifetime Warranty. Historically we have serviced about 1% of all Griffin products for either return or repair for whatever reason. Your product is supported by one of the longest lasting family owned brands in the suppressor market segment.
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For more information on the DUAL-LOK™ 5 & 7 visit:
www.griffinarmament.com/silencers/rifle-silencers/dual-lok
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Griffin Armament's DUAL-LOK™ mounting system provides the most secure attachment to the host firearm available in today's market because of not 1, but 2 locking mechanisms (forward taper and redundant locking collar). A tubeless design keeps the weight of these suppressors to a minimum while the 17-4 stainless steel H900 & 718 Inconel construction compromises nothing when it comes to durability. ECO-FLOW™ baffle technology accompanied by our new flow optimized flash reducing end cap design keeps sound pressure levels and flash signature exceptionally low.
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For more information on the DUAL-LOK™ Suppressors visit:
www.griffinarmament.com/silencers/rifle-silencers/dual-lok
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Timecodes
0:00 - Intro
3:06 - Mounting System Overview
8:16 - Mounting Demonstration
10:20 - Maintenance
13:05 - General Extra Info
15:15 - Muzzle Device Options
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For more information on the DUAL-LOK™ 5 & 7 visit:
www.griffinarmament.com/silencers/rifle-silencers/dual-lok
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*Our EXPLORR .224 has a body length of 6.0" without the DUAL-LOK mount and 6.5" when mounted.
Timecodes
0:00 - Intro
0:15 - Specifications
0:47 - Flash Testing Photos
1:00 - Sound Testing Overview
5:23 - Conclusion
"Dead Air" and "SIERRA-5" are federally registered trademarks of Sound Moderation Technologies, LLC and is of many trademarks owned by Sound Moderation Technologies, LLC. Griffin Armament® is an independent manufacturer that is in no way affiliated with or endorsed by Sound Moderation Technologies, LLC. The demonstration of the Dead Air® SIERRA-5 is merely used for comparisons of the Griffin DUAL-LOK™ HRT-556™ and EXPLORR® .224 suppressors.
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Timecodes
0:00 - Intro
1:08 - Suppressor Product Overview
1:41 - CAM-LOK®
5:34 - EZ-LOK™
8:35 - 3-LUG
12:40 - A2 Mount
16:03 - DUAL-LOK™
21:00 - Taper Mount
25:18 - Direct Thread
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For more information go to
griffinarmament.com/bushwhacker-36-universal-silencer
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For more information on this and other incredible Griffin products, visit:
www.GriffinArmament.com
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For more information visit GriffinArmament.com
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For more information visit:
griffinarmament.com/recce-5-silencer
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For more information visit:
www.griffinarmament.com/paladin-5-hd-suppressor
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For more information visit:
www.griffinarmament.com/paladin-hd-300-silencer
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Key Points - Price and Inclusions:
• PALADIN 5 HD - $945, PALADIN 300 HD - $1045
• Taper Mount EZ Brake™
• Full 17-4 H900 Heat treated stainless steel
• ECO-FLOW™ baffle system provides market leading suppression
• Nitride finish
Specs:
• 1.5” diameter - 6.3”-7.6"
• 12.5oz - 14.5oz weight
• Check website for ratings
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Thank you to Silencer Shop for hosting us.
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www.GriffinArmament.com
griffinarmament.com/silencers/rifle-silencers/gp-nato-a2-attachable-silencers
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Key Points - Price and Inclusions:
• RECCE 5 - $695, RECCE 7 - $820
• Taper Mount EZ Brake™
• Full 17-4 H900 Heat treated stainless steel
• ECO-FLOW™ baffle system provides market leading suppression
• Cerakote Finish resists heat and abrasion
Specs:
• 1.5” diameter - 6.3”-7.6"
• 14.5oz - 17.5oz weight
• Check website for ratings
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Today Evan walks us through the proper way to install the GP5 & 7 and provides important information on pinning and welding your suppressor.
Suppressor Alignment Check Rod video:
youtube.com/watch?v=UwIBvQyKFNc&t=2s
For more information please visit:
griffinarmament.com/silencers/rifle-silencers/gp-direct-thread-silencers
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For more information regarding the product visit:
griffinarmament.com/optics-mounts/scope-rings
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SPRM™ Features:
• AIS™ (Accessory Interface Suite) allowing the user to mount accessories on 5 sides of the mount body
• RTO™ (Rapid Transition Optic) accessory support - ability to mount Rapid Transition Optic plates to the system for a 40° offset to the primary optic, maintaining identical optical centerline height
• Ambidextrous support
• Individually probed during the manufacturing process for peerless dimensional consistency
• Stanag 4694 Compliant attachment, for precise return to zero
• Utility patent pending to support future technology development in the electro-optics industry
• Backed by Griffin’s Perpetual™ Lifetime Warranty
SPRM™ Specs:
• 6061 T6 aluminum
• Type 3 milspec hardcoat anodizing
• 12 (qty), 8-40 T15 fasteners for ring clamping
• 4 (qty), 10-32 fiber lock patched T15 fasteners for rail clamping
For more information visit:
griffinarmament.com/optics-mounts/scope-rings
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For more information visit:
griffinarmament.com/ar15-firearms-parts/ar15-rail-systems
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Key points - price and inclusions:
• MSRP from $169.95
• Available Lengths 15”, 13.5”, 12.5”, 11.5”, 10.5”, 9.5”, 7.5”
• 7 sides of M-LOK interfaces
• Contiguous 1913 Picatinny top rail
• Low profile, user friendly, clamp installation design
• Multi-Function Griffin Armorers wrench included
• 6061-T6, Type 3 hardcoat anodized SR-Rigid™ Rail
• 7075, T-6, Type 3 hardcoat anodized, aluminum barrel nut
• 45 degree Picatinny QD swivel mount included
For more information visit:
griffinarmament.com/ar15-firearms-parts/ar15-rail-systems
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For more information visit:
griffinarmament.com
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Key Points - Price and Inclusions:
• $745.00 MSRP
• A2 Collar Mount machined into tube body for ultimate strength and precision
• ½” shim set included
• Wrenches included
• Full 17-4 H900 Heat treated stainless steel
• ECO-FLOW™ baffle system provides market leading suppression
• Cerakote Finish resists heat and abrasion
• Fits most 22mm NATO A1/A2 flash hider & Griffin’s Gate-LOK Hammer Comp
Specs:
• 1.5” diameter - 6.5”length
• 16oz weight including mount collar and shims
• Rated for all .22 caliber cartridges
• Full Auto Rated for 5.56mm down to 7.5”
For more information visit: griffinarmament.com/silencers/rifle-silencers/gp-nato-a2-attachable-silencers
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For more information, please visit our website:
griffinarmament.com/ar15-firearms-parts/ar15-rail-systems
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Key Points - Price and Inclusions:
- MSRP from $174.95
- Current available lengths: 15', 13.5", 10.5" and 8.6". Lengths coming soon:
12.5", 9.5" and 7.5"
- Multi-Function Armorers wrench included
- 6061-T6 Hardcoat Anodized LOW-PRO-RIGID Rail
- 17-4 Stainless steel H900 heat treated barrel nut
- 45° Picatinny QD swivel mount
For more information visit griffinarmament.com/ar15-firearms-parts/ar15-rail-systems
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