PSA 20" CHF Rifle-Length 5.56 NATO 1/7 15" Geissele MK14 M-Lok Upper - No BCG or CH

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PSA 20" CHF Rifle-Length 5.56 NATO 1/7 15" Geissele MK14 M-Lok Upper - No BCG or CH

In stock

Special Price $ 549.99

Regular Price: $ 849.99

Quick Overview

WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

SKU: 5165490915
UPC: 5165490915
MFR#: 5165490773

PSA 20" CHF Rifle-Length 5.56 NATO 1/7 15" Geissele MK14 M-Lok Upper - No BCG or CH

  • Barrel Length: 20"
  • Gas System: Rifle-Length
  • Barrel Profile: A2
  • Barrel Steel: Hammer-Forged Chrome Moly Vanadium ("Machine Gun Steel")
  • Chrome Lining: Yes
  • Muzzle Thread: 1/2-28
  • Chamber: 5.56 NATO
  • Twist Rate: 1 in 7"
  • Barrel Extension: M4
  • Diameter at Gas Block: .750" 
  • Gas Block Type: Geissele Super Gas Block, Pinned to Barrel
  • Muzzle Device: A2 Flash Hider
  • Receiver Material: Forged 7075 T6
  • Receiver Type: M4
  • Handguard Type: Geissele MK14 15" M-Lok Free Float
  • Bolt Carrier Group Included: No
  • Bolt Steel: N/A
  • Bolt Carrier Profile: N/A 
  • Charging Handle included: No 

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Barrel: A proprietary blend of Hammer forged chrome molly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its required use in FN's M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a Rifle-length gas system. This 20" A2 profile barrel is Mil-spec phosphate coated, High Pressure tested and Magnetic Particle inspected. The barrel is finished off with a Geissele MK13 Super Modular 15" M-Lok free float rail, a Geissele .750" diameter Super Gas Block drilled and pinned to the barrel, and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring T-marks, these upper receivers are made for us right here in the USA.

Rail: The MK14 is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard design offers a smaller diameter and overall height to create a slimmer package. Included with the MK14 Super Modular Rail is an updated version of the proven Geissele Barrel Nut design, not only providing ease of installation but superior rigidity. The long surface contact of the 2.25” barrel nut interfaces with the receiver creating a platform that can be trusted to be straight and true the entire length of the free float rail. The MK14 is 3d precision machined using 6061-T6 Aluminum due to its strong, rigid and lightweight properties. 

Utilizing Magpul’s M-LOK technology in the 3, 6, and 9 o’clock positions allow the end user full customization and modularity of their rifle to securely mount lights, bipods, and other firearm accessories. The Geissele MK14 Super Modular rail is finished in a durable and long-lasting Type 3 Hardcoat Anodized

Each upper is assembled to order with US-made parts, and test fired to check gas function. 

**Does not include bolt carrier group or charging handle.

SKU: 5165490915
SKU 5165490915
Department Uppers
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Unit Price No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165490915

Questions and Answers

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Browse 4 questions Browse 4 questions and 5 answers
Will this fit sig Sauer M400?
Twags on Sep 7, 2019
BEST ANSWER: Yes. It is an AR15 upper that like most are built to military specifications. Yes I was thinking about getting one and a boron coated bolt to put on my sig M 400 to swap them back-and-forth
What barrel nut wrench do I need for removal of barrel nut?
Marc N on Sep 13, 2019
BEST ANSWER: Geissele makes a barrel nut wrench for use with the MK14 rail. You would use that one.
How is the upper head spaced ?
Rick M on Oct 21, 2019
What's the muzzle velocity with a standard 5.56 nato?
Reid B on Oct 14, 2019

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