Wheaton Arms M-16 Enhanced Bolt Carrier Group

• Bolt Carrier 8620 steel
• Bolt 9310 Steel
• Bolt Carrier Finish Black Nitride QPQ
• Bolt Finish Black Nitride QPQ
• Mil-Spec 8740 steel firing pin
• Hardened 4340 cam pin

Length Options:
Standard – matches factory dimension

Features:

• 100% precision machined in the USA – providing domestic jobs
• Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure
• Outer diameter machined to all critical surfaces within +/- .0005 inches
• Mil-Spec cam pin rides in a fully chamfered cam path
• Gas key with rounded leading edges ensures positive functioning in all makes and grades of uppers and buffer tube combinations
• Properly staked and torqued grade 8 hex screws as per the true mil-spec
• Carrier body OD and ID are hard turned after heat treat to +/- .0005 inches
• Multiple commercial finishes and coatings are available, engineered to their unique tolerances
• Black Nitride QPQ finish

WA Exclusive – Black Nitride QPQ Finish:

• Long lasting finish
• Easy to clean
• Attractive finish
• Reduced finish & base metal wear

​WA Exclusive – Carrier Assembly:

• The flared rear of the enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increase reliability by strategically relocating key bearing surfaces
• Manufactured with 8620 Case-Hardened steel

WA Exclusive – HPT MPI Tested Bolt:
Maximize Accuracy
Reduced Wear to Carrier, Gas rings, Barrel Extension, Firing & Cam pin
Increased reliability
Extends Service Life

Fits all 223, 5.56, 300BLK AR-15, M-16 rifles
Drop-in Fit – NO GUNSMITHING required
Time Delays – less than 5 minutes to install!
Expense – no additional gunsmithing costs!
Hassle – no user or gunsmith modifications required!