Gorilla Machining AR-15 5" Micro .300 Black Out Barrel Micro Gas System 1:7 5R Kit

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AR-15 5" Micro .300 Black Out Barrel Micro Gas System 1:7 5R Kit

Part Number: GM-MBN300BLKOUT-CVS-5"-1

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Manufacturer: Gorilla Machining
Chamber: .300 Black Out
Contour: M4
Fluted: No
Length: 5"
Twist Rate: 1:7 5R
Gas System: Micro Length
Diameter at Gas Port: .750
Thread Pitch: 5/8x24
Feed Ramps: M4
Material: 4150 CMVS
Finish: QPQ
Process: Button Rifled
Lining: QPQ
Extension: M4
Assembly: Stripped

Gas Block

QPQ Black Nitride coated
.750 ID
low profile
4340 steel
light weight
1.6oz

Micro Gas Tube

Stainless steel
Micro length

Note- MLOK and Keymod Handguards are compatible with this assembly. Mlok nuts will clear Handguard directly under gas block.
Note- For Suppressed or Traditional muzzle devices use a 4.25? Handguard (Receiver to muzzle shoulder distance is 4.3?) or up to 5.0? Handguards if no suppressor to be used. ( Receiver to muzzle end is 4.95?)
Note- For Linear Comps use a 5.5? to 6? Handguard. Generally we use a HG 1/2? longer than the barrel.
Note- Usually H to H3 buffers are used. For PDW stocks we have used the JP Std and Heavy types both seem to work the same.

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