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bolt carrier group
A bolt is the part of a repeating, breechloading firearm that blocks the rear opening (breech) of the barrel chamber while the propellant burns, and moves back and forward to facilitate loading/unloading of cartridges from the magazine. The firing pin and extractor are often integral parts of the bolt. The terms "breechblock" and "bolt" are often used interchangeably or without a clear distinction, though usually, a bolt is a type of breechblock that has a nominally circular cross-section.
In most automatic firearms that use delayed blowback, recoil or gas operation, the bolt itself is housed within the larger bolt carrier group (BCG), which contains additional parts that receives rearward push from a gas tube (direct impingement) or a piston system.
The slide of a self-loading pistol can be considered a bolt carrier, as it contains the same components and serves the same functions.
AR15 5.56 .223 300 blackout bolt carrier group.
Works great, about 500 rounds of 300 blackout. Came from a PSA build kit. I just found the money to upgrade. So here you go... a good deal
$55 if you want the original extractor installed.
$70 as is with the JP enhanced exctractor.
10.5" 5.56 upper - PSA - $300 $280
- NEW PICS Pics of BCG and CH
- Multiple pics
- PSA Product page (minus the optic and the front sight difference)
- 200 rds
- 1:7
- pinned gas block done by D. Wilson Mfg.
- extended latch charging handle
- BCG is FDE-ish with PSA logo
- PSA blast can
-...
BCG $145
5 new Mags $ 20ea. - OR - 5 for $90
Everything price $220
Bought as a spare. But, I have very little wear on my original after a couple thousand rounds. So someone else can make use of it.
KAK Industry LR-308 Double Ejector Complete Bolt Carrier Group
SPECIFICATIONS
Bolt Finish ...
Posting this for my bro. He is a member here but is not that active.
Lightly used PSA complete upper minus BCG and CH. Magpul BUIS, 12 inch m-lok handguard, 10.5 inch 5.56 1:7 barrel, with flash can. FTF in SE Portland preferred, but could possibly meet up elsewhere within reason. $250.00
LWRCi DI BCG, Used, Sub 500 Rounds - $200 *SOLD*
Colt BCG's, Used, Unknown Round Count, $100 per
Colt BCG #2 needs new gas rings for its bolt.
Additional photos provided upon request.
Let’s you shoot .22 out of your AR15.
Took it out of the package, and did a test fit. It is unfired. Comes with one, 25 round mag.
$150, cash only. Trying to pay off my other toys.
Meet face to face, nearish to Tualatin.
Selling my lwrc 10.5 Di upper ..
Selling for 700 without ch and bcg or 900 with bcg/ch
Only had like 100 rounds down the pipe
Partial trade to closed emitter pistol red dot
Brand New "unfired" complete Colt Bolt Carrier Group 223/5.56. Upgraded BCG with Fail Zero at time of purchase.
Currently not looking for trades. Thanks!
$185.00
Used but in good condition
Carrier is C marked and the bolt is MPC marked.
$150 meet at Sportsman’s off 185th
Only possible trade/partial trade would be for FDE or Coyote stocks, grips and 1913 foregrips or a Black M-lok foregrip
Looking to sell some parts I no longer need.
Brand new LMT Full auto BCG $180 Sold
Aero A2 Stock, tube and Buffer/spring $80 Sold
Griffin Armament 10.5” Low Pro Rigid Rail with rail shield panels and hand stop. Brand new in original packaging. $120
Willing to Ship USPS or local Meet up...
Like new Vltor MUR slick side upper, Bootleg adjustable BCG and Vltor charging handle. Test fired then disassembled. Some of the best products available and somewhat hard to find. Selling everything under cost at $380.
Preferred meet in Hillsboro area or can ship for members with positive...
Selling my cryptic coatings mystic gold 5.56 BCG. Its only been used about 100 rounds. It was in a rifle that I ended up parting out. Was going to keep it as a spare but I figured someone else can put it to use. If interested message me or call/text Marcus 253-331-32 three three. Not interested...
AR Parts - All New/unused unless mentioned
$95 - Ballistic Advantage BCG, Nitride (Less than 50 rounds) SOLD
$15 - Lancer 20 Round 5.56 Magazine, Black (NEW) SOLD
$50 - BCM Mod 4 Charging Handle (Less than 50 rounds) SOLD
$70 - Palmetto State BCG, Nitride (NEW)
$15 - Aero Precision...
I'm looking for a radian BCG (with logo) specifically to complete a Model 1 build. I know I could use a different one, but I'd rather it match the rifle. In case anyone has one they're willing to part with. I'm in Bluffton, SC now so will need to pay with venmo, Zelle etc and have it shipped...