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TOOLCRAFT 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
TOOLCRAFT 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
 
Price: $139.99
Sale Price: $129.99
Savings: $10.00

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Product Code: TCINC_5.56_NB
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Description
 
Your AR15 in 5.56 or 300 Blackout needs the best bolt-carrier group available, of which Toolcraft is the best. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you. The increased lubricity of NiB increases reliability and makes cleanup a snap.

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty. Simply put... Should any of their products fail, return it to them for a brand new replacement.
Features
  • Machined from 8620 Tool Steel (Carrier) and 9310 Carpenter Steel (Bolt) or CM158 (call to see what is available if it is important to you before ordering)
  • Shrouded firing pin
  • Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)
  • Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked.
  • Bolt is shot Peened and MPI
  • Mil-Spec Gas Rings (3)
  • Mil-Spec Extractor Spring, black extractor insert
  • Extractor Material 4140 Billet
  • Mil-Spec O-Ring
  • Gas Key: 4130 Steel; Grade 8 Gas Key Screws (Properly Staked)
  • Cam Pin Material: 4140 Steel
  • Firing Pin Material: 416 Stainless Steel

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