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stripped lower
In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ton of ore, for example, 1.5:1 as opposed to 3:2.
When compared to surface mining, which requires overburden removal prior to ore extraction, underground mining operations tend to have lower stripping ratios due to increased selectivity.
All other factors being equal, mining at a higher stripping ratio is less profitable than mining at a lower stripping ratio because more waste must be moved (at a cost per unit volume) for an equivalent volume of revenue generating ore. If the ratio is too high given a particular price of ore and associated cost of mining then it may not be economical to conduct mining.
I have a new Geissele stripped lower for sale
Luna black, registered as lower so it can be a rifle or pistol lower
$270 cash, firm, no trades
Transfer at Pioneer armory in Oregon city is only $10.
Stripped LMT MARS lower. Never built so can be built into a pistol or rifle.
Has a Seekins mag release button, LWRC trigger guard, and Battle Arms Ti Enhanced take down/pivot pins.
Price includes shipping from my FFL to yours.
SOLD on tacswap.
Aero Precision M4E1 stripped lower
Can pass as new
Only installed/removed a parts kit, racked a mag, never shot with.
$80 buyer pays transfer fee at Brads Guns in Lake Tapps
FTF on the westside. I am willing to ship on the buyer's dime.
HiViz Fiber Optic Rear Sight for Henry Rifles with tool and extra pipes $20
Polymer AR receiver shaped paperwieght. $75
Bushnell TRS-25 Red Dot (no riser). Original Pre "Trophy" series.
SIG SB15 Brace. New In Box $65...
Anderson partially stripped lower, it has:
-mag release
-bolt catch/release (with install/idiot marks)
-front pivot pin
-trigger guard
buyer pays transfer fee at long shot indoor range.
PSA GEN3 PA10 STRIPPED LOWER RECEIVER
I've had this a while but never used it. it's got a few handling marks from
shuffling around the safe but have never been used.
$100.00
503 753 8523
Cleaning out some more stuff from the safe. This is one of the limited offerings from KAC a few years ago when they sold non-ambi stripped lowers. They have been fetching a nice premium and i have already built a few guns on them, this being the last one.
Would like $SOLDfor it.
Will meet at...
Looking to stack up some silver, so I am trading AR lowers, pistols, rifles, NFA stuff, etc.
Send me a text or message of what you have available and what you are looking for. :)
503-313-0514
[email protected]
All sizes of silver(and gold)
Trade me. :)
Both of these have just been sitting in the safe since I got them. Both are NIB. Upper comes with the Colt box and manual.
Upper is stripped, in that it does not include a BCG or CH. Lower is stripped.
- Upper has been Sold Separately
- Stripped Lower is SPF
Stripped lower available for...
Big ask, but: I have a very green to firearms buddy (just getting into firearms), he’s purchased his first conceal carry pistol and now just got his first AR kit yesterday.
Im seeking an affordable stripped lower or even the nearest FFL that may have one. Having a hard time locating one...
I have a complete black Radian 223 wylde 10.5 inch Radian Model 1 upper receiver. It has had about 300 rounds through it suppressed. Comes with the original BCG and SD charging handle. It has the Dead Air flash hider on it.
Also a new in the box is a black Radian AX556 A-DAC Stripped lower...
Looking to buy two Zev Technology forged stripped lowers and one stripped upper . Replacing some rifles that were stolen from me in November. Willing to pay up to $300 for the receiver. Preferrably pay less.
*Edit*
Already sold on the upper and one lower. Just need one more lower.
*bump*
Seller...
Hello, looking to sell two new in wrapper West Coast Armory branded lower receivers. They are consecutive serial numbers in case you wanted to buy both of them. Purchased to build out but have gone a different direction. Will need to transfer through FFL preferably in King County.
Looking for...
I have several hundred rounds of Herter's 9mm 115gr FMJ ammo, brand new in sealed boxes of 100.
I'm looking for a stripped lower receiver for an AR-15. Number of rounds depends on quality of receiver, but I'll be generous.
Also interested in 6.5 Grendel barrels, BCGs, uppers, and ammo. Open to...
I have a new in package Anderson stripped AR lower receiver I would like to trade for a 1000ct brick of US made small rifle primers. FTF at Tigard Pawn 4 More. No shipping. Trader is responsible for all transfer fees. PM me with any questions or offers.