Cartridge	223 Wylde
Color	Black
Finish	Anodized
Material	Aluminum
Barrel Length	14.5 Inches
Twist	1:8 Inches
Threads	1/2″-28
Gas Block Diameter	0.75 Inches
Gas System Length	Mid-Length
M4 Feed Ramps	Yes
Upper Receiver Type	A3 Flat-Top
Handguard	PWS M-Lok 13.624”
Bolt Carrier Assembly Included	Yes
Muzzle Device	None Included
Country of Origin	United States of America
Compatible With	AR-15

Cartridge	300 AAC Blackout (7.62x35mm)
Finish	Black
Material	Aluminum
Barrel Length	8.7 Inches
Threads	5/8″-24
Gas System Length	Pistol
M4 Feed Ramps	Yes
Upper Receiver Type	A4 Flat-Top
Barrel Material	Stainless Steel
Handguard	Magpul M-LOK Handguard
Bolt Carrier Assembly Included	Yes
Muzzle Device	SilencerCo ASR Flash Hider/Suppressor Mount
Compatible With	AR-15

Cartridge	5.56x45mm NATO
Material	Aluminum
Weight	6.9 Pound
Barrel Length	16 Inches
Twist	1:7 Inches
Threads	1/2″-28
Barrel Contour	Medium
Sights	Yes
Barrel Finish	Black Parkerized
Chrome Lined	Yes
Gas Block Diameter	0.75 Inches
Gas System Length	Carbine
M4 Feed Ramps	Yes
Upper Receiver Type	A3 Flat-Top
Barrel Material	4140 Chrome Moly Steel
Handguard	YHM 12.5″ Diamond Series Quad Rail, Rifle Length,
Bolt Carrier Assembly Included	Yes
Muzzle Device	YHM Phantom 5C2 Flash Hider
Mil-Spec or Commercial	Commercial
Compatible With	AR-15

Category: AR-15 Complete Uppers

PWS AR-15 MK114 MOD 1-M Long Stroke Gas Piston Pistol Upper Receiver Assembly 223 Wylde 14.5″ Barrel M-Lok No Muzzle Device