BUY ONE, GET ONE FREE – Free UP Vitrum Trigger with the purchase of an upper! That’s a $175 value! Automatically added to your cart at checkout.

Stripped lower SALE –

Gen 1 UP-15 and UP-10 lowers are on Sale!!

UP SEMI AUTO BCG

$139.00

Need a BCG for your next SEMI AUTO 223/5.56/300 blackout build? Pick up one of ours! These are our bolts that we use in our Match Grade Semi Auto UP15 rifles.

In stock

UP logo laser engraved
Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat-treated to 60-61 RC
Mil-Spec Gas Key
Key Staked with Grade 8 Screws, per Mil-Spec
Mil-Spec Carpenter 158® Bolt w/ Spring and Ejector
Tool Steel Extractor w/ Spring and Viton O-ring
Mil-Spec Firing Pin w/ Chrome Finish
Mil-Spec Cam Pin
Full Auto Carrier (Backward compatible with all semi-auto rifles)
BCG Weight – 11.55 oz.

**NOTE: These are SEMI AUTO bolts, NOT bolts for our True Bolt Action AR15

Perfectly paired

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