PSA 7" Nitride 5.56 1/7 6" M-Lok Upper With BCG & Charging Handle - 516446420

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PSA 7" Nitride 5.56 1/7 6" M-Lok Upper With BCG & Charging Handle - 516446420

In stock

Regular Price: $ 439.99

Special Price $ 299.99

Quick Overview

It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.

SKU: 516446420
UPC: 516446420
MFR#: 516446420
  • Barrel Length: 7.0"
  • Barrel Profile: Pistol
  • Gas System: Pistol-length
  • Barrel Steel: 4150V Chrome Moly Vanadium
  • Barrel Finish: Nitride
  • Chrome Lining: No
  • Muzzle Thread: 1/2-28
  • Chamber: 5.56 NATO 
  • Twist Rate: 1:7
  • Barrel Extension: M4
  • Diameter at Gas Block: .750
  • Gas Block Type: Low-profile
  • Muzzle Device: A2 Bird Cage
  • Receiver Material: Forged 7075 T6
  • Receiver Type: M4
  • Hand guard Type: PSA 6" M-Lok
  • Bolt Carrier Group Included: Yes
  • Bolt Steel: Carpenter 158
  • Bolt Carrier Profile: Full-auto
  • Charging Handle included: Yes
  • Overall Length: 17.5"

Add To:

Barrel:  7" 4150V Chrome Moly vanadium steel, nitride treated for accuracy and durability, and chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with an anodized PSA 6" M-Lok Rail, a low profile gas block and an A2 Flash hider. 

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability.  These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and phosphate coated.

SKU: 516446420
SKU 516446420
Brand Palmetto State Armory
Daily Deal N/A
Daily Deal Expires N/A
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Free Shipping? N/A
SKU: 516446420

Questions and Answers

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Browse 1 question Browse 1 question and 5 answers
Does this have a caliber stamp on the barrel?
EdwardOakley on Jul 30, 2018
BEST ANSWER: Yes they all have the caliber number stamp on barrels.
This upper is very nice one. Is 5.56/223

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