Builders Grade Complete 9" .22 LR Pencil Upper Receiver, Flash Can, 9" BX Series M-LOK, BCG & CH - $267.96 after Code: BUILDUP20

Description

This complete 9-inch M-LOK upper receiver comes with a full picatinny 9-inch free float handguard and is built with only the best mil-spec components. The heart of this upper is comprised of a 4150 barrel, and the bolt is made of all stainless steel construction and we use an anti-jam dedicated 22 charging handle.

BARREL SPECIFICATIONS:

– Caliber 22LR
– Length 9"
– Material 4150 Chrome Moly Vanadium
– Profile Medium Taper
– Finish SBN
– Dimpled? No
– Twist Rate 1:16
– Muzzle Thread 1/2x28 TPI
– Weight 16.23 oz

UPPER RECEIVER:

– Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
– M4 Feed ramps
– Made in the U.S.A.

BOLT CARRIER GROUP:

– Stainless Steel Construction
– Designed to work with all CMMG and RTB .22LR barrels
– Long lasting and reliable

HANDGUARD:

– 9" free float handguard
– MIL-STD 1913 Picatinny rail on top
– 3 M-Lok slots on 3 sides
– Precision Machined 6000 Series aluminum, for high strength and weight savings
– Hard Coat Anodized per Mil-A-8625F, Type III, Class 2
– Clamp on system for easy assembly
– Steel Barrel nut to resist movement under heat
– 10 oz with barrel nut and hardware
– 1.35" Inside Diameter
– 1.63" Wide
– Made in USA

LINEAR COMPENSATOR:

– 1.2" diameter
– 3.1" long
– 6061 aluminum
– Black hard anodized finish
– 3.5 oz.
– 3/4" wrench flats
– Threaded 1/2x28 for 9mm or smaller

CHARGING HANDLE:

– Durable polymer construction with a filled-in, reinforced channel
– .22 ARC Mil-Spec style
– Anti-Jam Charging Handle Assembly