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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.
For sale is a brand new Knight's Armament SR-15 Non-ambi blemished stripped lower receiver. Purchased from Rooftopdefense. These are discontinued and no longer for sale through Knight's Armament.
Asking $300 buyer pays for transfer fee. Meetups will be at a FFL around Seattle/Tacoma area of my...
For trade NIB spikes stripped spider lower, Anderson lower parts kit, and DSA buffer tube kit. Looking to trade for revolvers, lever action .22LR's or ????? Located in albany.
Looking for an ambi lower. Part number APAR501102AC either black or FDE is fine.
I am flexible on the FFL used for the transfer. If you have a preference and then can give a break on the cost, sounds good to me.
I am expecting a shipment of Anderson stripped AR-15 lowers in approximately 3-5 weeks (dates not guaranteed). They will be $60 each for 1-2 or $55 each for 3+. Plus $10 background check. Oregon residents 21+ only.
I am also expecting Anderson stripped AR-15 upper receivers. They will be $55...
I just received a new shipment of Anderson AR-15 stripped lower receivers. $57 each plus $10 background check. Oregon residents 21+ only.
I also have AR15 lower parts kits, buffer tube kits, stocks, magazines, etc. available.
Explanation thread for this donation sale: https://www.northwestfirearms.com/threads/three-day-classified-sale-jan-29th-30th-and-31st-10-of-all-sales-will-be-donated-to-nwfa.354654/#post-2816218
Link to all my listings...
Other than for the ATF's definition of a firearm what else does it apply to? If I'm carrying a lower receiver in my pocket, am I carrying a concealed weapon without a license? If I pull a lower receiver out and wave it around in a Wal-mart, am I arrested for brandishing a weapon? How about if...
Anderson Lower Receiver
Brand new. Sealed package.
Closed Trigger Guard.
$70 - Pickup in Salem. Buyer pays FFL fees.
OR
$85 - Shipped to your FFL, via UPS, w/ tracking and signature. Payment via Zelle or Cash App required prior to shipping.
edit:
$60 picked up in Salem at FFL. Buyer pays fees...
Sale pending
brand new Bcm factory stripped lower receiver. Have to much bubblegum in my safe and need to let some stuff go. can be legally built into a rifle or pistol.
$250
Buyer pays transfer fees.
might be willing to trade for something. Depends on what it is. Doesn’t hurt to ask.
For sale is a stripped Nokad Spud M16A1 replica lower. This is a virgin lower and hasn't had anything installed on it. I bought this from Nodak Spud 5ish years ago and never had it swapped onto my retro build.
$150 and buyer pays the transfer fee. I'll consider firearms related trades, but I'm...
Mag Tactical stripped lower coated in bright pink. $75 will ship to any FFL for $10. If you use my preferred FFL in West Linn you cover the OSP $10 BG fee and I will cover the transfer fee.
email [email protected]
Or call/text Tim- 503.475.4173
Aero Precision Stripped Lower Receiver for AR15. Gen 2, Multi-cal,. Build a pistol or build a rifle.
Brand New, taken out of box for photos.
$70 No Trades. Item is in Salem. I will travel to meet you at an ffl within a reasonable distance. Buyer to pay ffl fee.
https://palmettostatearmory.com/psa-gen3-pa10-stripped-lower-receiver.html
Ordered by mistake, never assembled.
$55 OBO or equivalent in 12ga 00/000 buck or .45ACP JHP ammo
You pay transfer, recommend Hummel Arms at 11845 SW Greenburg Rd, Unit 220, Portland, OR 97223...
2 Ruger stripped multi cal lower receivers up for sale. Bought these from another member, thinking I would use them, but they are just sitting around, and I could use the cash. $149 for both, fees are on the buyer.