Strike Industries Collar Adjustable Gas Block

Strike Industries Collar Adjustable Gas Block - Gas Block for AR-15 - view 1
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Strike Industries

Overview

The Strike Industries Collar Adjustable Gas Block is designed to provide precise control over the gas flow in your firearm, allowing you to fine-tune your system for optimal performance. With an adjustable feature, you can easily customize the gas regulation to suit your specific build and shooting style, which is particularly beneficial for managing recoil and cycling reliability. This gas block is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it a practical choice for those looking to enhance their rifle's functionality.

Specifications

MPNSI-AR-CAGB
FinishPhosphate
Gas Block Diameter.750
AdjustableYes

Available Merchants(9)

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AT
AT3 Tactical
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$90
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Ammunition Depot
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$91
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Brownells
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$100
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Primary Arms
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BattleHawk Armory
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KY Gun Company
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Optics Planet
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$100
SO
Sportsmans Outdoor Superstore
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Palmetto State Armory
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Frequently Built With

The part most often added in each category by the 419 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

85.1%
AR-1585.1%
AR-108.5%
AR-96.4%

Caliber

60.3%
5.56 NATO60.3%
.223 Wylde17.2%
300 Blackout10.3%
.308 Win5.2%
6mm ARC3.4%
Other3.4%

Gas System

45.5%
Mid-Length45.5%
Carbine20.5%
Pistol15.9%
Rifle15.9%
Blowback2.3%

Builds Featuring This Part

See all 91

Builds in the community that include the Strike Industries Collar Adjustable Gas Block

BuildPartsTotal
hnghn
23$2610.44
14.5" aero precision SBR
27$7626.84
For the range mostly 16"
12$675.19
aero precision 16" 5.56
14$2879.11
aero precision 20" build
17$2554.61
PSA 16" build
12$1210.22
Sharps Bros 18" 6.5 Grendel
16$1303.19
aero precision 14.5" build
10$1473.22
PSA 18" build
10$939.13
Range 11.3" 5.56
14$1174.80
Radian Weapons 16" build
16$1424.37
Range 18" 5.56
16$1874.26

Customer reviews

5.0out of 5

4 global ratings

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Top reviews

F
Figtree76
SI collar adjustable works
Reviewed on April 30, 2026Verified with Build

Strike Industries collar adjustable gas block works as advertised. Clamp-on design means no dimple required on the barrel. Detent positions are crisp for tuning gas. Solid budget adjustable gas block option for builders.

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G
Glunko
SI collar adjustable gas tune
Reviewed on April 9, 2026Verified with Build

Strike Industries collar adjustable gas block tunes easily through detent positions. Clamp on means no dimple required. Set the gas right and the rifle cycles smoothly with suppressor on or off. Best adjustable block at this price.

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C
cbook20_pdw
SI collar adjustable gas block
Reviewed on April 4, 2026Verified with Build

Strike Industries collar adjustable gas block lets me tune gas pressure without removing the handguard. Clamp on design - no dimple required. Multiple detent positions. Cleaner installation than a set-screw adjustable.

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P
PatchMeUp-5
SI collar block
Reviewed on January 31, 2026Verified with Build

collar style means no roll pin to drill out if you ever change barrels. tuned this in about 15 min on a 14.5 mid length, gas adjustment is positive and the detent holds settings well. SI quality is reliable for the price

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